Electromagnetic induction A 200 turn coil has an inductance of 12 mH. If the number of turns is increased to 400 turns, all other quantities (area, length etc.) remaining the same, the inductance will be 6 mH 12 mH 24 mH 48 mH 6 mH 12 mH 24 mH 48 mH ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction In case of an inductance, current is proportional to Magnetic field None of the listed here Both of the listed here Voltage across the inductance Magnetic field None of the listed here Both of the listed here Voltage across the inductance ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction An average voltage of 10 V is induced in a 250 turns solenoid as a result of a change in flux which occurs in 0.5 second. The total flux change is 20 wb 0.2 wb 0.02 wb 2 wb 20 wb 0.2 wb 0.02 wb 2 wb ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction The polarity of the induced voltage can be determined by using the left-hand generator rule. No Yes No Yes ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction Both the number of turns and the core length of an inductive coil are doubled. Its self-inductance will be Halved Unaffected Doubled Quadrupled Halved Unaffected Doubled Quadrupled ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction The inductance of a coil will increase under all the following conditions except When permeability of the core increases When more area for each turn is provided When more length for the same number of turns is provided When the number of turns of the coil increase When permeability of the core increases When more area for each turn is provided When more length for the same number of turns is provided When the number of turns of the coil increase ANSWER DOWNLOAD EXAMIANS APP
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