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Sabu

Jun 24, 2014

An electric bulb is rated 220V and 100W. when it is operated on 110V, what will be the power consumed?

 

This answer has an image. Please click on the question to read more.

Answer (4)

Sudharsan s

May 7, 2015

What is the difference between resistance and resistivity of a conducter? Please Explain?

Answer.
  1.  Resistance of a conductor is the obstruction offered by the conductor in the flow of current throu...

Answer (4)

Prateek Jain

Jul 9, 2015

I want all the formulas used in chapter electricity

The formulas used in class X are-
1- I,current=Q,charge/T,time
2- V,potential differnce=W,work done/Q,charge
3-V,potential difference=I,cureent*R,resistance
4-Resisitivity=(R,resista...

Answer (2)

Adhavan M

Jul 22, 2014

calculate the number of electron constituting 1 coulomb of charge

This answer has an image. Please click on the question to read more.

Answer (3)

Letusknowwhy

Apr 22, 2014

State Joule’s law of heating. Mention SI unit Heat energy.

Joule's law of heating.
The amount of heat produced is  proportion...

Answer (5)

R murali

Jun 6, 2014


  1. What is the resistance of an ideal voltmeter and ammeter ? how are they connected in a circuit?


Ans:
A voltmeter is used to measure the potential difference across the two points of a circuit. The voltmeter is connected...

Answer (4)

Inu

Jul 20, 2013

hat are the factors on which the resistance of a conductor depends? what happens to the resistivity of a conductor when its length is doubled?

Factor on which resistance of a conductor depends:
  1. Temperature: Resistance increases  in increasing in tem...

Answer (12)

Adithyan Sanal

May 2, 2015

Resistivity depends on................?

Resistivity is a measure of the resisting power of a specified material to the flow of an electric curr...

Answer (3)

Vanshika madan

Jul 11, 2015

Why an ammeter is connected in series while a voltmeter is in parallel?

An ammeter is a low resistance galvanometer. It is used to measure the current in ampere. To measure the current of a circuit, the ammeter is connected in series in the circuit so ...

Answer (5)

Letusknowwhy

Apr 28, 2014

What are the advantages of connecting Electric devices in parallel with the battery instead of connecting them in series?

Ans::
  1. When ...

Answer (3)

Sabu

Jun 24, 2014

An electric bulb is rated 220V and 100W. when it is operated on 110V, what will be the power consumed?

 

This answer has an image. Please click on the question to read more.

Answer (4)

Sudharsan s

May 7, 2015

What is the difference between resistance and resistivity of a conducter? Please Explain?

Answer.
  1.  Resistance of a conductor is the obstruction offered by the conductor in the flow of current throu...

Answer (4)

Prateek Jain

Jul 9, 2015

I want all the formulas used in chapter electricity

The formulas used in class X are-
1- I,current=Q,charge/T,time
2- V,potential differnce=W,work done/Q,charge
3-V,potential difference=I,cureent*R,resistance
4-Resisitivity=(R,resista...

Answer (2)

Adhavan M

Jul 22, 2014

calculate the number of electron constituting 1 coulomb of charge

This answer has an image. Please click on the question to read more.

Answer (3)

Letusknowwhy

Apr 22, 2014

State Joule’s law of heating. Mention SI unit Heat energy.

Joule's law of heating.
The amount of heat produced is  proportion...

Answer (5)

R murali

Jun 6, 2014


  1. What is the resistance of an ideal voltmeter and ammeter ? how are they connected in a circuit?


Ans:
A voltmeter is used to measure the potential difference across the two points of a circuit. The voltmeter is connected...

Answer (4)

Inu

Jul 20, 2013

hat are the factors on which the resistance of a conductor depends? what happens to the resistivity of a conductor when its length is doubled?

Factor on which resistance of a conductor depends:
  1. Temperature: Resistance increases  in increasing in tem...

Answer (12)

Adithyan Sanal

May 2, 2015

Resistivity depends on................?

Resistivity is a measure of the resisting power of a specified material to the flow of an electric curr...

Answer (3)

Vanshika madan

Jul 11, 2015

Why an ammeter is connected in series while a voltmeter is in parallel?

An ammeter is a low resistance galvanometer. It is used to measure the current in ampere. To measure the current of a circuit, the ammeter is connected in series in the circuit so ...

Answer (5)

Letusknowwhy

Apr 28, 2014

What are the advantages of connecting Electric devices in parallel with the battery instead of connecting them in series?

Ans::
  1. When ...

Answer (3)

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