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What do you mean by electric power? Define its unit

asked Oct 23, 2017 in Physics by shamroz (41.5k points)

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How is energy dissipated in a resistance? Explain.

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State and explain Joule's law. ,

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What are the advantages of parallel circuits over series circuits?

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Describe the characteristic features of parallel combination of resistors.

asked Oct 23, 2017 in Physics by shamroz (41.5k points)

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How are resistors connected in parallel?

asked Oct 23, 2017 in Physics by sonia (36.5k points)

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1 answer 517 views

Write down the characteristics of series combination of resistors.

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How are resistors connected in series?

asked Oct 23, 2017 in Physics by sonia (36.5k points)

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1 answer 226 views

What is the difference between conductors and insulators?

asked Oct 23, 2017 in Physics by sonia (36.5k points)

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What is meant by specific resistance or Resistivity?

asked Oct 23, 2017 in Physics by sonia (36.5k points)

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1 answer 161 views

What are the factors upon which the resistance of a conductor depends?

asked Oct 23, 2017 in Physics by sonia (36.5k points)

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1 answer 172 views

Why does the resistance of a conductor increases with the rise of its temperature?

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What is a thermister.

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1 answer 520 views

What are the characteristics of ohmic and non-ohmic conductors?

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How can we differentiate between Ohmic and non-ohmic conductors?

asked Oct 23, 2017 in Physics by sonia (36.5k points)

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1 answer 177 views

How can we measure e.m.f. of the battery?

asked Oct 23, 2017 in Physics by shamroz (41.5k points)

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1 answer 239 views

What is voltmeter? How potential difference across a circuit can be measured?

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1 answer 190 views

How can we measure current in a circuit?

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1 answer 361 views

How can we differentiate between e.m.f. and potential difference?

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Is e.m.f. really a force? Explain.

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