Electromagnetic induction A coil with negligible resistance has 50V across it with 10 mA. The inductive reactance is 1000 ohms 500 ohms 5000 ohms 100 ohms 1000 ohms 500 ohms 5000 ohms 100 ohms ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction The property of coil by which a counter e.m.f. 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 induction The polarity of the induced voltage can be determined by using the left-hand generator rule. No Yes No Yes ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction Increasing the field or increasing the current will decrease the force on the conductor. No Yes No Yes ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction Air-core coils are practically free from None of the listed here Both Hysteresis losses & Eddy current losses Eddy current losses Hysteresis losses None of the listed here Both Hysteresis losses & Eddy current losses Eddy current losses Hysteresis losses ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction Two 300 uH coils in series without mutual coupling have a total inductance of 300 uH 900 uH 600 uH 1200 uH 300 uH 900 uH 600 uH 1200 uH ANSWER DOWNLOAD EXAMIANS APP