Electromagnetic induction An e.m.f. of 16 volts is induced in a coil of inductance 4H. The rate of change of current must be 4 A/s 20 A/s 12 A/s 16 A/s 4 A/s 20 A/s 12 A/s 16 A/s ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction Mutually inductance between two magnetically coupled coils depends on The number of their turns All of the listed here Cross-sectional area of their common core Permeability of the core The number of their turns All of the listed here Cross-sectional area of their common core Permeability of the core ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction The self-inductance of the coil may be defined as equal to the e.m.f. induced in volts when the current in the circuit changes at the rate of unit Weber turns. Yes No Yes No 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 A coil with negligible resistance has 50V across it with 10 mA. The inductive reactance is 1000 ohms 500 ohms 100 ohms 5000 ohms 1000 ohms 500 ohms 100 ohms 5000 ohms ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction In case all the flux from the current in coil 1 links with coil 2, the coefficient of coupling will be 2.0 1.0 0.5 2.5 2.0 1.0 0.5 2.5 ANSWER DOWNLOAD EXAMIANS APP
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