CBSE Past Year MCQ Quiz

Question 1 of 5

CBSE Past Year 2026

A square loop of side L lies in the x-y plane in a magnetic field \(\vec{B}\) = \(B_{0}\)(2 \(\hat{i}\) + 3 \(\hat{j}\) + 4\(\hat{k}\)), where \(B_{0}\) is a constant. The magnetic flux through the loop is :

A \(\sqrt{29}\) \(B_{0}\) \(L^{2}\) B 4 \(B_{0}\) \(L^{2}\) C 3 \(B_{0}\) \(L^{2}\) D 2 \(B_{0}\) \(L^{2}\)

Select one option. Answers are shown after the test.

Question 2 of 5

CBSE Past Year 2026

The dimensions of the rate of change of magnetic flux are :

A [M L \(T^{−3}\) A] B [M \(L^{2}\) \(T^{−3}\) \(A^{−1}\)] C [M \(L^{2}\) \(T^{−2}\) \(A^{−1}\)] D [M \(L^{2}\) \(T^{−3}\) \(A^{−2}\)]

Select one option. Answers are shown after the test.

Question 3 of 5

CBSE Past Year 2026

A square loop of side 50 cm is placed in a uniform magnetic field of 3·0 T acting perpendicular to the plane of the loop. If the loop is rotated through an angle of 90° in 0·3 s, the value of emf induced in the loop would be :

A

0.25 V

B

0·50 V

C

0·75 V

D

1·0 V

Select one option. Answers are shown after the test.

Question 4 of 5

CBSE Past Year 2026

Two identical conductors 1 and 2 are placed on two frictionless conducting rails R and S in a uniform magnetic field directed vertically downward into the plane of the page. If conductor 1 is moved with a constant velocity in the direction as shown in figure, the force on conductor 2 will be along :

Diagram for question 5

A − \(\hat{i}\) B − \(\hat{j}\) C \(\hat{k}\) D \(\hat{j}\)

Select one option. Answers are shown after the test.

Question 5 of 5

CBSE Past Year 2026

Assertion (A) : Induced emf produced in a coil will be more when the magnetic flux linked with the coil is more.

Reason (R) : Induced emf produced is directly proportional to the magnetic flux.

A Both Assertion and Reason are true, and Reason is the correct explanation of Assertion. B Both Assertion and Reason are true, but Reason is not the correct explanation of Assertion. C Assertion is true, but Reason is false. D Both Assertion and Reason are false.

Select one option. Answers are shown after the test.

Class 6

Class 7

Class 8

Class 9

Class 10

Class 11

Class 12

Courses

Interesting

Popular

Class 6

Class 7

Class 8

Class 9

Class 10

Class 11

Class 12

Courses

Interesting

Popular