Electromagnetic Field Theory An emf of 16 volts is induced in a coil of inductance 4 H. The rate of change of current must be 32 A / s. 64 A / s. 16 A / s. 4 A / s. 32 A / s. 64 A / s. 16 A / s. 4 A / s. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory As a result of reflection from a plane conducting wall, electromagnetic waves acquire an apparent velocity greater than the velocity of light in space. This is called the phase velocity. velocity of propagation. group velocity. normal velocity. phase velocity. velocity of propagation. group velocity. normal velocity. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The property of the coil by which a counter emf is induced in it when the current through the coil changes is known as self inductance. series aiding inductance. mutual inductance. capacitance. self inductance. series aiding inductance. mutual inductance. capacitance. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory In an inductor current cannot change abruptly. Comment on the statement. False. Cannot comment. True. True partially. False. Cannot comment. True. True partially. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Which of following is the unit of inductance? Ohm. Milli- henry. Webers / m. Ampere turns. Ohm. Milli- henry. Webers / m. Ampere turns. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The potential that appears at a point in space due to the current which caused it is called potential Lagging the current Retardation Oscillating Accelerating Lagging the current Retardation Oscillating Accelerating ANSWER DOWNLOAD EXAMIANS APP
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