When two bodies are rubbed against each other,

Important Questions on Electric Charges and Fields

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IMPORTANT

Achieve CUET (UG) Physics Practice Book>Chapter 1 - Electric Charges and Fields>Exercise>Q 9

In a system used for spraying cars, a car body is positively charged. Neutral droplets of paint are then attracted to the car because the positive car body induces charge on the droplets of paint. Which diagram best shows the charge pattern?

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Achieve CUET (UG) Physics Practice Book>Chapter 1 - Electric Charges and Fields>Exercise>Q 10

When a body is charged by induction, then the body

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Achieve CUET (UG) Physics Practice Book>Chapter 1 - Electric Charges and Fields>Exercise>Q 11

A cylindrical conductor is placed near another positively charged conductor. The net charge acquired by the cylindrical conductor will be

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Achieve CUET (UG) Physics Practice Book>Chapter 1 - Electric Charges and Fields>Exercise>Q 12

Two identical metal spheres $A$ and $B$ are supported on insulating stands and are placed in contact. What kind of charges will $A$ and $B$ develop when a negatively charged ebonite rod is brought near $A$?

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Achieve CUET (UG) Physics Practice Book>Chapter 1 - Electric Charges and Fields>Exercise>Q 13

A comb runs through one's dry hair attracts small bits of paper. This is due to

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Achieve CUET (UG) Physics Practice Book>Chapter 1 - Electric Charges and Fields>Exercise>Q 14

A conductor has been given a charge $-3\times {10}^{-7} \mathrm{C}$ by transferring electrons. Mass increase (in $\mathrm{kg}$) of the conductor and the number of electrons added to the conductor are, respectively

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Achieve CUET (UG) Physics Practice Book>Chapter 1 - Electric Charges and Fields>Exercise>Q 15

If an object has a net charge of $-1 \mathrm{C}$, the number of excess electrons possessed by it is,

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Achieve CUET (UG) Physics Practice Book>Chapter 1 - Electric Charges and Fields>Exercise>Q 16

Charge $Q,$ is divided into two parts which are then kept some distance apart. The force between them will be maximum if the two parts are having the charge -