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 20 A/s 4 A/s 12 A/s 16 A/s 20 A/s 4 A/s 12 A/s 16 A/s ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction Two coils have self-inductances of 10 H and 2 H, the mutual inductance being zero. If the two coils are connected in series, the total inductance will be 6 H 10 H 9 H 12 H 6 H 10 H 9 H 12 H ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction The self inductances of two coils are 8 mH and 18 mH. If the coefficient of coupling is 0.5, the mutual inductance of the coils is 6 mH 36 mH 12 mH 18 mH 6 mH 36 mH 12 mH 18 mH ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction Which of the following is not a unit of inductance? Volt second per ampere All of the listed here Hennry Coulomb/volt ampere Volt second per ampere All of the listed here Hennry Coulomb/volt ampere ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction A coil is wound on iron core which carries current I. The self-induced voltage in the coil is not affected by Change of number of turns of coil The resistance of magnetic path Variation in coil current Variation in voltage to the coil Change of number of turns of coil The resistance of magnetic path Variation in coil current Variation in voltage to the coil ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction In case of an inductance, current is proportional to None of the listed here Voltage across the inductance Magnetic field Both of the listed here None of the listed here Voltage across the inductance Magnetic field Both of the listed here ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS