हिंदी

Tell the odd one out. Give proper explanation. Fuse wire, bad conductor, rubber gloves, generator. - Science and Technology 1

Advertisements
Advertisements

प्रश्न

Tell the odd one out. Give proper explanation.

विकल्प

  • Fuse wire

  • Bad conductor

  • Rubber gloves

  • Generator

MCQ
Advertisements

उत्तर

Generator

Explanation:

Others restrict flow of current while generator is used to produce current. 

shaalaa.com
  क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
अध्याय 4: Effects of electric current - Find odd one out.

APPEARS IN

बालभारती Science and Technology 1 [English] Standard 10 Maharashtra State Board
अध्याय 4 Effects of electric current
Exercises | Q 1.1 | पृष्ठ ६०

संबंधित प्रश्न

What do the following symbols mean in circuit diagrams? 


Draw circuit symbols for  

 a cell 


Draw circuit symbols for  

 a battery of three cells 


Draw circuit symbols for 

A closed switch


Draw the labelled diagram of an electric circuit comprising of a cell, a resistance, an ammeter, a voltmeter and a closed switch (or closed plug key). Which of the two has a large resistance : an ammeter or a voltmeter?


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?


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


What do you understand by the open electric circuit?


What is an artificial magnet?

How is a voltmeter connected in a circuit?

What is open circuit?


If you touch an electric wire carrying current you get a shock, but if on the same wire the birds sit they do not get any shock/current. Explain why?


Find the odd one out and give its explanation.


What is the potential difference?


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


Write scientific reason.

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


Flow of electricity through a closed circuit is _____.


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


The switch is used to close or open an electric circuit.


Draw the circuit diagram for the series connection.


Tabulate the different components of an electric circuit and their respective symbols.


Rahul wants to make an electric circuit. He has a bulb, two wires, a safety pin, and a piece of copper. He does not have any electric cell or battery. Suddenly he gets some idea. He uses lemon instead of a battery and makes a circuit. Will the bulb glow?


Explain about domestic electric circuits. (circuit diagram not required)


In the following circuits (Figure), heat produced in the resistor or combination of resistors connected to a 12 V battery will be

(i) (ii) (iii) 

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


In an electric circuit, the current starts from ______.


Our body is a ______ of electricity.


Observe the circuit given:

1. Would any of the bulbs glow when the switch is in the ‘OFF’ position?

2. What will be the order in which the bulbs A, B, and C will glow when the switch is moved to the ‘ON’ position?


The ______ is a species of fish that can give electric shocks of up to six hundred fifty watts of electricity.


Match the following

1. Insulator a. Coulomb
2. Conductor b. Electric circuit
3. Closed path c. Copper
4. Electric charge d. Rubber

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


Write a short note on the different electrical circuits.


A complete circuit is left on for several minutes, causing the connecting copper wire to become hot. As the temperature of the wire increases, the electrical resistance of the wire


How is Joule's law effect useful in electric circuits where fuse is used as a safety device?


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

Reason: Lightning carries very high voltage.


Set up the circuit shown in Figure again. Move the key to ‘ON’ position and watch carefully in which direction the compass needle gets deflected. Switch ‘OFF’ the current. Now keeping rest of the circuit intact, reverse the connections at the terminal of the cell. Again switch ‘on’ the current. Note the direction in which the needle gets deflected. Think of an explanation.


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×