1
AP EAPCET 2021 - 19th August Morning Shift
MCQ (Single Correct Answer)
+1
-0

Assertion (A) It is more difficult to move a magnet into a coil with more loops.

Reason (R) This is because emf induced in each current loop resists the motion of the magnet.

A
Both A and R are true and R is a correct explanation for A.
B
Both A and R are true but R is not a correct explanation for A.
C
A is true and R is false.
D
A is false, R is true.
2
AP EAPCET 2021 - 19th August Morning Shift
MCQ (Single Correct Answer)
+1
-0

Two inductors A and B when connected in parallel are equivalent to a single inductor of inductance 1.5 H and when connected in series are equivalent to a single inductor of inductance 8H. Find the difference in the inductances of A and B.

A
3 H
B
7.5 H
C
2 H
D
4 H
3
AP EAPCET 2021 - 19th August Morning Shift
MCQ (Single Correct Answer)
+1
-0

The law which states that a variation in an electric field causes magnetic field, is

A
Faraday's law
B
Bio-Savart law
C
Modified Ampere's law
D
Lenz's law
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