Electromagnetic induction Current changing from 8 A to 12 A in one second induced 20 volts in a coil. The value of inductance is 5 H 20 H 10 H 15 H 5 H 20 H 10 H 15 H ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction The core of a coil has a length of 200 mm. The inductance of coil is 6 mH. If the core length is doubled, all other quantities, remaining the same, the inductance will be 24 mH 48 mH 12 mH 3 mH 24 mH 48 mH 12 mH 3 mH 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 Which of the following is not a unit of inductance? Hennry Volt second per ampere All of the listed here Coulomb/volt ampere Hennry Volt second per ampere All of the listed here Coulomb/volt ampere 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 9 H 12 H 6 H 10 H 9 H 12 H 6 H 10 H 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 length for the same number of turns is provided When the number of turns of the coil increase When more area for each turn is provided When permeability of the core increases When more length for the same number of turns is provided When the number of turns of the coil increase When more area for each turn is provided ANSWER DOWNLOAD EXAMIANS APP
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