Recent questions in Physics

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Explain why, a glass rod can be charged by rubbing when held by hand.

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

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1 answer 171 views

If a high-voltage power line fell across your car while you were in the car, why should you not come out of the car?

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

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1 answer 401 views

Perhaps you have seen a gasoline truck trailing a metal chain beneath it. What purpose does the chain serve?

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

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1 answer 139 views

Rubber tyres get charged from friction with the road; What is the polarity of the charge?

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1 answer 167 views

Is the presence of charge necessary for the existence of electrostatic potential?

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

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1 answer 179 views

Each capacitor in parallel combination has equal potential difference between its two plates. Justify the statement.

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

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1 answer 336 views

Does each capacitor carry equal charge in series combination? Explain.

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1 answer 90 views

In what direction will a positively charged particle move in an electric field?

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

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1 answer 231 views

How much negative charge has been removed from a positive charged electroscope, if it has a charge of 7.5x1 T11C?

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

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1 answer 618 views

An electrified rod attracts pieces of paper. After a while these pieces fly away! Why?

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

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1 answer 121 views

A'capacitor is a energy storing device. Discuss.

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

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1 answer 178 views

What is difference between gravitational potential and electric potential?

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

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1 answer 166 views

What is difference between electric potential and potential difference?

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

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1 answer 2.9k views

Show that potential difference can be described as energy transfer per unit charge between the two points.

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

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1 answer 140 views

What is meant by electron volt?

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

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1 answer 198 views

How would you define potential difference between two points? Define its unit.

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

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1 answer 128 views

How do the electric field lines for an isolated positive and negative charge are drawn?

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

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1 answer 146 views

How are electric lines of force related to the electric field intensity?

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

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1 answer 153 views

What is meant by electric field lines or electric lines of force. How can we draw the electric field lines.

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

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1 answer 117 views

What is meant by point charges?

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

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