Electromagnetic induction A 500 turns solenoid develops an average induced voltage of 60 V. Over what time interval must a flux change of 0.06 Wb occur to produce such a voltage? 0.2 s 0.1 s 0.5 s None of the listed here 0.2 s 0.1 s 0.5 s None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction In case of an inductance, current is proportional to Both of the listed here Magnetic field Voltage across the inductance None of the listed here Both of the listed here Magnetic field Voltage across the inductance None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction If current in a conductor increases then according to Lenz's law self-induced voltage will Aid the applied voltage Tend to decrease the amount of current Produce current opposite to the increasing current Aid the increasing current Aid the applied voltage Tend to decrease the amount of current Produce current opposite to the increasing current Aid the increasing current ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction For a purely inductive circuit which of the following is true? Any capacitance even if present in the circuit will not be charged Apparent power is zero Relative power is zero Actual power of the circuit is zero Any capacitance even if present in the circuit will not be charged Apparent power is zero Relative power is zero Actual power of the circuit is zero ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction The law that the induced e.m.f. and current always oppose the cause producing them is due to Faraday Coulomb Lenz Newton Faraday Coulomb Lenz Newton ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction Mutually inductance between two magnetically coupled coils depends on 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 The number of their turns All of the listed here Cross-sectional area of their common core ANSWER DOWNLOAD EXAMIANS APP
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