# SCERT Maharashtra Question Bank solutions for 10th Standard SSC Science and Technology 1 Maharashtra State Board 2021 chapter 4 - Effects of electric current [Latest edition]

## Chapter 4: Effects of electric current

Choose the correct option.Find the correlation.Find odd one out.Answer in one sentence.match the columnsRight or Wrong sentenceWrite scientific reasonsSolve the following QuestionsAnswer the FollowingAnswer the following questions
Choose the correct option.

### SCERT Maharashtra Question Bank solutions for 10th Standard SSC Science and Technology 1 Maharashtra State Board 2021 Chapter 4 Effects of electric current Choose the correct option.

#### Choose the correct option.

Choose the correct option. | Q 1

The unit of electrical power is _______.

• volt

• watt

• joule

• ampere

Choose the correct option. | Q 2

The ‘live’ and the ‘neutral’ wires have potential difference of _______.

• 110 V

• 202 V

• 201 V

• 220 V

Choose the correct option. | Q 3

In an electric bulb, coil of _______ metal is used.

• copper

• tungsten

• aluminium

• iron

Choose the correct option. | Q 4

The electricity bill specifies the usage in _______.

• kilowatt

• joule

• volt

• unit

Choose the correct option. | Q 5

The frequency of AC is _______.

• 20 Hz

• 50 Hz

• 25 Hz

• 75 Hz

Choose the correct option. | Q 6

These days when current in the circuit suddenly increases _______ switches are used.

• MCA

• MCC

• MCD

• MCB

Choose the correct option. | Q 7

A coil of an alloy _______ is used in electric heater cooker as a resistor.

• Stainless steel

• Nichrome

• Copper

• Bronze

Choose the correct option. | Q 8

The right-hand thumb rule is also called _______ rule.

• Newton’s law of motion

• Newland’s law of Octave

• Mendeleev’s periodic law

• Maxwell’s cork- screw

Choose the correct option. | Q 9

_______ is used for electrical measurements.

• Thermometer

• Galvanometer

• Voltmeter

• Electric meter

Choose the correct option. | Q 10

Which of the following scientist invented the rule of electromagnetic induction?

• Newton

• Kepler

• Mendeleev

Choose the correct option. | Q 11

Which of the following substance contracts on heating?

• Lukewarm water

• Ice

• Iron

• Mercury

Find the correlation.

### SCERT Maharashtra Question Bank solutions for 10th Standard SSC Science and Technology 1 Maharashtra State Board 2021 Chapter 4 Effects of electric current Find the correlation.

#### Find the correlation.

Find the correlation. | Q 1

Electric motor : converts electrical energy into mechanical energy : : Electric generator : _______

Find the correlation. | Q 2

Fleming's left hand rule : electric current : : Fleming's right hand rule : _______

Find the correlation. | Q 3

Alternating current : oscillatory :: Direct current : _______

Find odd one out.

### SCERT Maharashtra Question Bank solutions for 10th Standard SSC Science and Technology 1 Maharashtra State Board 2021 Chapter 4 Effects of electric current Find odd one out.

Find odd one out. | Q 1

Tell the odd one out. Give proper explanation.

Loud speaker, microphone, electric motor, magnet.

• Loud speaker

• microphone

• electric motor

• magnet

Find odd one out. | Q 2

Tell the odd one out. Give proper explanation.

• Fuse wire

• rubber gloves

• generator

Find odd one out. | Q 3

Find the odd one out and give its explanation.

• Tungsten

• Nichrome

• Aluminium

• Iron

Find odd one out. | Q 4

Find the odd one out and give its explanation.

• Boiler

• Electric stove

• Electric bulb

• Electric bell

Find odd one out. | Q 5

Find the odd one out and give its explanation.

• Temperature

• Conduction

• Convection

### SCERT Maharashtra Question Bank solutions for 10th Standard SSC Science and Technology 1 Maharashtra State Board 2021 Chapter 4 Effects of electric current Answer in one sentence.

#### Answer the following question in one sentence.

Answer in one sentence. | Q 1

What is the heating effect of electric current?

Answer in one sentence. | Q 2

Which metal is used to make the filament of an electric bulb?

Answer in one sentence. | Q 3

What is a short circuit?

Answer in one sentence. | Q 4

What is the potential difference?

Answer in one sentence. | Q 5

How much is the potential difference between live and neutral wires?

Answer in one sentence. | Q 6

Answer in one sentence. | Q 7

What is used to turn off the sudden increase in current in the electrical circuit of the house nowadays?

Answer in one sentence. | Q 8

Write two devices based on the heating effect of electric current.

Answer in one sentence. | Q 9

Write Fleming’s right hand thumb rule with the help of diagram.

Answer in one sentence. | Q 10

Write Fleming’s left hand rule.

Answer in one sentence. | Q 11
State Fleming's right hand rule.
Answer in one sentence. | Q 12

What is a solenoid?

Answer in one sentence. | Q 13.1

Write the two names in the following diagram.

Right hand thumb rule.

Answer in one sentence. | Q 13.2

Write the two names in the following diagram.

Fleming’s right hand rule.

match the columns

### SCERT Maharashtra Question Bank solutions for 10th Standard SSC Science and Technology 1 Maharashtra State Board 2021 Chapter 4 Effects of electric current match the columns

match the columns | Q 1

Match the columns.

 Column A Column B 1) Direct current a) Oscillatory 2) Alternating current b) Non oscillatory
Right or Wrong sentence

### SCERT Maharashtra Question Bank solutions for 10th Standard SSC Science and Technology 1 Maharashtra State Board 2021 Chapter 4 Effects of electric current Right or Wrong sentence

Right or Wrong sentence | Q 1

The alternating current is an oscillatory current.

• Right

• Wrong

Right or Wrong sentence | Q 2

Live wire and neutral wires have a 220 V potential difference.

• Right

• Wrong

Right or Wrong sentence | Q 3

Increasing the current passing through the wire decreases the magnetic field intensity.

• Right

• Wrong

Right or Wrong sentence | Q 4

Galvanometers are used for electrical measurements.

• Right

• Wrong

Right or Wrong sentence | Q 5

The frequency of the alternating current is 50 Hz.

• Right

• Wrong

Right or Wrong sentence | Q 6

Electric motors are devices that convert electrical energy into mechanical energy.

• Right

• Wrong

Write scientific reasons

### SCERT Maharashtra Question Bank solutions for 10th Standard SSC Science and Technology 1 Maharashtra State Board 2021 Chapter 4 Effects of electric current Write scientific reasons

Write scientific reasons | Q 1

Give Scientific reason.

In practice, the unit kWh is used for the measurement of electrical energy, rather than joule.

Write scientific reasons | Q 2

Give Scientific reason.

Tungsten metal is used to make a solenoid type coil in an electric bulb.

Write scientific reasons | Q 3

Give Scientific reason.

For electric power transmission, copper or aluminium wire is used.

Write scientific reasons | Q 4

Nowadays MCBs are used in homes, for stop the current in the circuit which suddenly increases.

Write scientific reasons | Q 5

Write scientific reason.

A coil made up of alloy Nichrome is used in the electric heater cooker as a resistor.

Write scientific reasons | Q 6

Write scientific reason.

It is beneficial to carry electrical energy in AC form as it is carried over long distances.

Solve the following Questions

### SCERT Maharashtra Question Bank solutions for 10th Standard SSC Science and Technology 1 Maharashtra State Board 2021 Chapter 4 Effects of electric current Solve the following Questions

Solve the following Questions | Q 1

Distinguish between Direct current and alternating current.

Solve the following Questions | Q 2

How does the short circuit form? What is its effect?

Solve the following Questions | Q 3.1
State Fleming's right hand rule.
Solve the following Questions | Q 3.2

Write Fleming’s left hand rule.

Solve the following Questions | Q 4.1

What is an electric motor?

Solve the following Questions | Q 4.2

In which electric motor appliances do we use it?

Solve the following Questions | Q 5

Name any two appliances which works on the phenomenon of magnetic effect of electric current.

Solve the following Questions | Q 6

Name any two appliances which works on the phenomenon of heating effect of electric current.

Solve the following Questions | Q 7

Write Fleming’s right hand thumb rule with the help of diagram.

Solve the following Questions | Q 8

Explain the importance/uses of fuse wire.

### SCERT Maharashtra Question Bank solutions for 10th Standard SSC Science and Technology 1 Maharashtra State Board 2021 Chapter 4 Effects of electric current Answer the Following

Answer the Following | Q 1

Write two devices based on the heating effect of electric current.

Answer the Following | Q 2

Name any two appliances which works on the phenomenon of magnetic effect of electric current.

Answer the Following | Q 3.1
State Fleming's right hand rule.
Answer the Following | Q 3.2

Write Fleming’s left hand rule.

Answer the Following | Q 3.3

Write Fleming’s right hand thumb rule with the help of diagram.

Answer the Following | Q 4

An electric iron of 1100 W is operated for 2 hrs daily. What will be the electrical consumption expenses for that in the month of April? (The electric company charges Rs 5 per unit of energy).

Answer the Following | Q 5

Answer the Following | Q 5

Answer the Following | Q 5

Answer the Following | Q 5

Answer the Following | Q 6

Explain the construction and working of the following. Draw a neat diagram and label it.

Electric motor

Answer the Following | Q 7

Write a short note on the galvanometer.

Answer the Following | Q 8

What is the use of earthing wire?

Answer the Following | Q 9

Explain the application of heating effect of electric current in an electric bulb with a diagram.

Answer the Following | Q 10

Draw a neat labelled diagram to show the magnetic effect of electric current.

Answer the Following | Q 11.1

Name the following diagram and explain the concept behind them.

Answer the Following | Q 11.2

Name the following diagram and explain the concept behind them.

Answer the Following | Q 12

Identify the given figure, write the labels of it.

Answer the Following | Q 13

Who will spend more electrical energy? 500 W TV Set in 30 mins, or 600 W heater in 20 mins?

### SCERT Maharashtra Question Bank solutions for 10th Standard SSC Science and Technology 1 Maharashtra State Board 2021 Chapter 4 Effects of electric current Answer the following questions

Answer the following questions | Q 1

Explain the construction and working of the following. Draw a neat diagram and label it.

Electric motor

Answer the following questions | Q 2

Explain the construction and working of an electric generator (AC) with the help of a neat diagram.

Answer the following questions | Q 3

Explain the magnetic field created around a straight current carrying conductor with the help of a diagram.

Answer the following questions | Q 4

1. The construction shown in the figure is of which device?
2. Explain the principle on which this device works.
3. Write any three uses of this device.
Answer the following questions | Q 5

1. The construction shown in the figure is of which device?
2. Explain the principle on which this device works.
3. Write any three uses of this device.

## Chapter 4: Effects of electric current

Choose the correct option.Find the correlation.Find odd one out.Answer in one sentence.match the columnsRight or Wrong sentenceWrite scientific reasonsSolve the following QuestionsAnswer the FollowingAnswer the following questions

## SCERT Maharashtra Question Bank solutions for 10th Standard SSC Science and Technology 1 Maharashtra State Board 2021 chapter 4 - Effects of electric current

SCERT Maharashtra Question Bank solutions for 10th Standard SSC Science and Technology 1 Maharashtra State Board 2021 chapter 4 (Effects of electric current) include all questions with solution and detail explanation. This will clear students doubts about any question and improve application skills while preparing for board exams. The detailed, step-by-step solutions will help you understand the concepts better and clear your confusions, if any. Shaalaa.com has the Maharashtra State Board 10th Standard SSC Science and Technology 1 Maharashtra State Board 2021 solutions in a manner that help students grasp basic concepts better and faster.

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Concepts covered in 10th Standard SSC Science and Technology 1 Maharashtra State Board 2021 chapter 4 Effects of electric current are Electric Circuit, Heating Effect of Electric Current, Magnetic Effect of Electric Current, Magnetic Field Due to Current in a Loop (Or Circular Coil), Magnetic Field Due to a Current Carving Cylindrical Coil (or Solenoid), Force on a Current Carrying Conductor in a Magnetic Field, Electric Motor, Electromagnetic Induction, Galvanometer, Direct Current Motor, Ohm's Law, Joule’s Law of Heating, Electrical Power, Electric Fuse, Rule to Find the Direction of Magnetic Field, Faraday's Laws of Electromagnetic Induction, Types of current: Alternating Current (A.C.) and Direct Current (D.C.), Electric Generator, Alternating Current (A.C.) Generator.

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