English
Maharashtra State BoardSSC (English Medium) 10th Standard

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

Advertisements
Advertisements

Question

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

One Line Answer
Advertisements

Solution

The potential difference between live and neutral wires is around 220 V.

shaalaa.com
  Is there an error in this question or solution?
Chapter 4: Effects of electric current - Answer in one sentence. [Page 13]

APPEARS IN

SCERT Maharashtra Science and Technology Part 1 [English] Standard 10 Maharashtra State Board
Chapter 4 Effects of electric current
Answer in one sentence. | Q 5. | Page 13

RELATED QUESTIONS

Draw a schematic diagram of a circuit consisting of a battery of three cells of 2 V each, a 5 Ω resistor, an 8 Ω resistor, and a 12 Ω resistor, and a plug key, all connected in series.


Draw circuit symbols for 

fixed resistance


Draw circuit symbols for  

 a battery of three cells 


Explain with the help of a labelled circuit diagram how you will find the resistance of a combination of three resistors, or resistance R1, R2 and R3, joined in parallel. Also mention how you will connect the ammeter and the voltmeter in the circuit when measuring the current in the circuit and the potential difference across one of the three resistors of the combination.


Tell the odd one out. Give a proper explanation.


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


The following figure shows the symbols for components used in the accompanying electrical circuit. Place them at proper places and complete the circuit.

Which law can you prove with the help of above circuit?


Distinguish between a closed circuit and an open circuit, with the use of suitable labelled diagrams. 


Write the condition required for a circuit to be a closed circuit. 


Name the instrument used to control current in an electric circuit.


Explain the following:
Closed circuit


What is open circuit?


Right or wrong sentence.

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


______ is the device used to close or open an electric circuit.


In which among the following circuits does the bulb glow?


Study the electric circuit below. Which of the following switches should be closed so that only two bulbs will light up


Study the three electric circuits below. Each of them has a glass rod (G), a steel rod (S), and a wooden rod (W).

In which of the electric circuits would the bulb not light up.


Fuse is


Assertion: People struck by lightning receive a severe electrical shock.

Reason: Lightning carries very high voltage.


State whether true or false. If false, correct the statement.

Ammeter is connected in parallel in any electric circuit.


The rate of flow of electric charges in a circuit is called ______.


______ is a kind of fish which is able to produce an electric current.


In a circuit, if the key is in open (off) condition, then electricity will not flow.


In an electrical circuit three incandescent bulbs A, B and C of rating 40 W, 60 W and 100 W respectively are connected in parallel to an electric source. Which of the following is likely to happen regarding their brightness?


In an electrical circuit two resistors of 2 Ω and 4 Ω respectively are connected in series to a 6 V battery. The heat dissipated by the 4 Ω resistor in 5 s will be


A child has drawn the electric circuit to study Ohm’s law as shown in Figure. His teacher told that the circuit diagram needs correction. Study the circuit diagram and redraw it after making all corrections.


Draw a circuit diagram of an electric circuit containing a cell, a key, an ammeter, a resistor of 2 Ω in series with a combination of two resistors (4 Ω each) in parallel and a voltmeter across the parallel combination. Will the potential difference across the 2 Ω resistor be the same as that across the parallel combination of 4 Ω resistors? Give reason.


Name the device used these days in place of electric fuses in electrical circuits.


In the following arrangement shown in the following figure, the bulb will not glow if the ends A and B are connected with


In which of the following circuits A, B and C given in the following figure, the cell will be used up very rapidly?


Will the bulb glow in the circuit shown in the following figure? Explain.


Write a short note on the different electrical circuits.


An electric motor rated 1100 W is connected to 220 V mains. Find: 

  1. The current drawn from the mains,
  2. Electric energy consumed if the motor is used for 5 hours daily for 6 days.
  3. Total cost of energy consumed if the rate of one unit is 5.

Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×