Electromagnetic induction The law that the induced e.m.f. and current always oppose the cause producing them is due to Lenz Faraday Newton Coulomb Lenz Faraday Newton Coulomb ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction Which of the following is not a unit of inductance? Volt second per ampere Coulomb/volt ampere All of the listed here Hennry Volt second per ampere Coulomb/volt ampere All of the listed here Hennry ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction If current in a conductor increases then according to Lenz's law self-induced voltage will Tend to decrease the amount of current Aid the increasing current Aid the applied voltage Produce current opposite to the increasing current Tend to decrease the amount of current Aid the increasing current Aid the applied voltage Produce current opposite to the increasing current ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction The inductance of a coil will increase under all the following conditions except When the number of turns of the coil increase When more area for each turn is provided When more length for the same number of turns is provided When permeability of the core increases When the number of turns of the coil increase When more area for each turn is provided When more length for the same number of turns is provided When permeability of the core increases 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 20 A/s 16 A/s 4 A/s 12 A/s 20 A/s 16 A/s 4 A/s ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction Which of the following circuit elements will oppose the change in circuit current? Inductance Resistance Capacitance All of the listed here Inductance Resistance Capacitance All of the listed here ANSWER DOWNLOAD EXAMIANS APP
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