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Question (11)

QN0039004

The magnetic force on a current carrying conductor of length in an exteranal magnetic field is given by

(A)
(B)
(C)
(D)

Correct Answer: C

Explanation:

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Question (12)

QN0039005

A conducting circular loop of radius carries a constant current i. It is placed in a uniform magnetic field such that is perpendicular to the plane of the loop. The magnetic force acting on the loop is

(A)
irB
(B)
(C)
zero
(D)

Correct Answer: C

Explanation:

. This is maximum when or .

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Question (13)

QN0039006

A current carrying conductor placed in a magnetic field experiences maximum force when angle between current and magnetic field is

(A)
(B)
(C)
(D)
zero

Correct Answer: B

Explanation:

.

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Question (14)

QN0039007

A current of is flowing in a linear conductor having a length of . The conductor is placed in a magnetic field of strength 500 gauss and makes an angle of with the direction of the field. It experiences a force of magnitude

(A)
(B)
(C)
(D)

Correct Answer: A

Explanation:

or

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Question (15)

QN0039008

A current of is flowing in a wire of length . A force of acts on it when it is placed in a uniform magnetic field of . The angle between the magnetic field and the direction of the current is

(A)
(B)
(C)
(D)

Correct Answer: A

Explanation:

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Question (16)

QN0039009

An long wire carrying a current of is placed inside a solenoid perpendicular to its axis. If the magnetic field inside the solenoid is , then magnetic force on the wire is

(A)
(B)
(C)
(D)

Correct Answer: B

Explanation:

Here,

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Question (11)

The magnetic force on a current carrying conductor of length in an exteranal magnetic field is given by

Explanation:

Link:

Question (12)

A conducting circular loop of radius carries a constant current i. It is placed in a uniform magnetic field such that is perpendicular to the plane of the loop. The magnetic force acting on the loop is

Explanation:

Link:

Question (13)

A current carrying conductor placed in a magnetic field experiences maximum force when angle between current and magnetic field is

Explanation:

Link:

Question (14)

A current of is flowing in a linear conductor having a length of . The conductor is placed in a magnetic field of strength 500 gauss and makes an angle of with the direction of the field. It experiences a force of magnitude

Explanation:

Link:

Question (15)

A current of is flowing in a wire of length . A force of acts on it when it is placed in a uniform magnetic field of . The angle between the magnetic field and the direction of the current is

Explanation:

Link:

Question (16)

An long wire carrying a current of is placed inside a solenoid perpendicular to its axis. If the magnetic field inside the solenoid is , then magnetic force on the wire is

Explanation:

Link:

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