Electromagnetism Multiple Choice Questions with Answers - 1
Question: 1
The phenomenon of producing an induced emf in a coil due to the change in current in the other coil is known as
(A) electrostatic induction
(B) static induction
(C) self induction
(D) mutual induction
Ans: D
mutual induction
Question: 2
The unit of inductive reactance is
(A) Ampere
(B) Mho
(C) Volt
(D) Ohm
Ans: D
Ohm
Question: 3
The direction of eddy current is given by
(A) Ohm's law
(B) Lenz's law
(C) Generator rule
(D) Fleming's left hand rule
Ans: B
Lenz's law
Question: 4
_____ is defined as the number of magnetic lines of force crossing a closed area.
(A) Magnetic induction
(B) Mutual induction
(C) Magnetic flux
(D) Self induction
Ans: C
Magnetic flux
Question: 5
Lenz's law in accordance with the law of
(A) conservation of charges
(B) conservation of energy
(C) conservation of momentum
(D) conservation of flux
Ans: B
conservation of energy
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