Electromagnetic Induction  MCQs

MCQs of Electromagnetic Induction

Showing 111 to 113 out of 113 Questions
111.
When a magnet is being moved towards a coil, the induced emf does not depend upon _____.
(a) capacitance
(b) magnetic field
(c) inductance
(d) the resistance of the coil
Answer:

Option (d)

112.
Inducation furnace is based on the heating effect of _____.
(a) Eddy currents
(b) magnetic field
(c) electric field
(d) gravitational field
Answer:

Option (a)

113.
The equation of A.C. voltage is given by V = 158 sin 200πt. The value of voltage at time t = 1400 sec is _____ V.
(a) -79
(b) 79
(c) -158
(d) 158
Answer:

Option (d)

Showing 111 to 113 out of 113 Questions