EASY
CUET (UG)
IMPORTANT
Earn 100

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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Important Questions on Electric Charges and Fields

EASY
CUET (UG)
IMPORTANT
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
EASY
CUET (UG)
IMPORTANT
Achieve CUET (UG) Physics Practice Book>Chapter 1 - Electric Charges and Fields>Exercise>Q 14
A conductor has been given a charge -3×10-7 C by transferring electrons. Mass increase (in kg) of the conductor and the number of electrons added to the conductor are, respectively
EASY
CUET (UG)
IMPORTANT
Achieve CUET (UG) Physics Practice Book>Chapter 1 - Electric Charges and Fields>Exercise>Q 15
If an object has a net charge of -1 C, the number of excess electrons possessed by it is,
EASY
CUET (UG)
IMPORTANT
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 -
EASY
CUET (UG)
IMPORTANT
Achieve CUET (UG) Physics Practice Book>Chapter 1 - Electric Charges and Fields>Exercise>Q 17
One would expect proton to have very large
EASY
CUET (UG)
IMPORTANT
Achieve CUET (UG) Physics Practice Book>Chapter 1 - Electric Charges and Fields>Exercise>Q 18
The mass of 1 mole of electrons is
EASY
CUET (UG)
IMPORTANT
Achieve CUET (UG) Physics Practice Book>Chapter 1 - Electric Charges and Fields>Exercise>Q 19
Assertion: A body can have charge 3.0 × 10–18 C 

Reason: Charge is quantized.
EASY
CUET (UG)
IMPORTANT
Achieve CUET (UG) Physics Practice Book>Chapter 1 - Electric Charges and Fields>Exercise>Q 20
The ratio of the mass of the proton to the mass of the electron is nearly