Electromagnetic induction Which of the following circuit elements will oppose the change in circuit current? All of the listed here Inductance Capacitance Resistance All of the listed here Inductance Capacitance Resistance ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction A conductor carries 125 amperes of current under 60° to a magnetic field of 1.1 tesla. The force on the conductor will be nearly 120 N 60 N 90 N 30 N 120 N 60 N 90 N 30 N ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction A coil induces 350 mV when the current changes at the rate of 1 A/s. The value of inductance is 250 mH 350 mH 3500 mH None of the listed here 250 mH 350 mH 3500 mH None of the listed here ANSWER DOWNLOAD EXAMIANS APP
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 12 A/s 16 A/s 20 A/s 4 A/s 12 A/s 16 A/s 20 A/s 4 A/s ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction Mutually inductance between two magnetically coupled coils depends on The number of their turns Permeability of the core All of the listed here Cross-sectional area of their common core The number of their turns Permeability of the core All of the listed here Cross-sectional area of their common core 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 0.5 2.5 1.0 2.0 0.5 2.5 1.0 ANSWER DOWNLOAD EXAMIANS APP
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