CBSE 12th Physics (Term 1) Paper 2021-22 | Class 12 Year Wise Previous Years Questions

CBSE 12th Physics (Term 1) Paper 2021-22

MCQ (Single Correct Answer)

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Assertion (A) : When radius of a current carrying loop is doubled, its magnetic moment becomes four times.

Reason (R) : The magnetic moment of a current carrying loop is directly proportional to the area of the loop.

Both (A) & (R) are true and (R) is correct explanation of (A).

Both (A) & (R) are true and (R) is not correct explanation of (A).

(A) is true but (R) is false.

(A) is false and (R) is also false.

CBSE 12th Physics (Term 1) Paper 2021-22

MCQ (Single Correct Answer)

+0.77

-0

Assertion (A) : Higher the range, lower is the resistance of an ammeter.

Reason (R) : To increase the range of an ammeter additional shunt is added in series to it.

Both (A) & (R) are true and (R) is correct explanation of (A).

Both (A) & (R) are true and (R) is not correct explanation of (A).

(A) is true but (R) is false.

(A) is false and (R) is also false.

CBSE 12th Physics (Term 1) Paper 2021-22

MCQ (Single Correct Answer)

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-0

Assertion (A) : A step-up transformer cannot be used as a step-down transformer.

Reason (R) : A transformer works only in one direction.

Both (A) & (R) are true and (R) is correct explanation of (A).

Both (A) & (R) are true and (R) is not correct explanation of (A).

(A) is true but (R) is false.

(A) is false and (R) is also false.

CBSE 12th Physics (Term 1) Paper 2021-22

MCQ (Single Correct Answer)

+0.77

-0

Equipotentials at a large distance from a collection of charges whose total sum is not zero are -

spheres

planes

ellipsoids

paraboloids

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