Physics - Mock Test 16

Question 151

The electric potential at a point on the equatorial line of an electric dipole is

A) directly proportional to distance B) inversely proportional to distance C) inversely proportional to square of the distance D) None of these

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Question 152

The electric potential at a point on the equatorial line of an electric dipole is

A) directly proportional to distance B) inversely proportional to distance C) inversely proportional to square of the distance D) None of these

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Question 153

A cube of a metal is given a positive charge Question: For this system, which of the following statements is true

A) Electric potential at the surface of the cube is zero B) Electric potential within the cube is zero C) Electric field is normal to the surface of the cube D) Electric field varies within the cube

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Question 154

A cube of a metal is given a positive charge Question: For this system, which of the following statements is true

A) Electric potential at the surface of the cube is zero B) Electric potential within the cube is zero C) Electric field is normal to the surface of the cube D) Electric field varies within the cube

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Question 155

Which of the following quantities do not depend on the choice of zero potential or zero potential energy

A) Potential at a point B) Potential difference between two points C) Potential energy of a two-charge system D) None of these

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Question 156

Which of the following quantities do not depend on the choice of zero potential or zero potential energy

A) Potential at a point B) Potential difference between two points C) Potential energy of a two-charge system D) None of these

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Question 157

Which of the following is / are true about the principle of Van de Graaff generator

A) The action of sharp points. B) The charge given to a hollow conductor is tranferred to outer surface and is distributed uniformly over it. C) It is used for accelerating uncharged particle. D) Both a and b

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Question 158

Which of the following is / are true about the principle of Van de Graaff generator

A) The action of sharp points. B) The charge given to a hollow conductor is tranferred to outer surface and is distributed uniformly over it. C) It is used for accelerating uncharged particle. D) Both a and b

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Question 159

Van de Graaff generator is used to

A) store electrical energy B) build up high voltage of few million volts C) decelerate charged particle like electrons D) both a and b

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Question 160

Van de Graaff generator is used to

A) store electrical energy B) build up high voltage of few million volts C) decelerate charged particle like electrons D) both a and b

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