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 10 H 12 H 6 H 9 H 10 H 12 H 6 H 9 H ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction Which of the following is unit of inductance? Ohm Weber/metre Ampere turns Hennry Ohm Weber/metre Ampere turns Hennry ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction Air-core coils are practically free from None of the listed here Eddy current losses Both Hysteresis losses & Eddy current losses Hysteresis losses None of the listed here Eddy current losses Both Hysteresis losses & Eddy current losses Hysteresis losses ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction A laminated iron core has reduced eddy-current losses because More wire can be used with less D.C. resistance in coil The laminations are insulated from each other The laminations are stacked vertically The magnetic flux is concentrated in the air gap of the core More wire can be used with less D.C. resistance in coil The laminations are insulated from each other The laminations are stacked vertically The magnetic flux is concentrated in the air gap of the core ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction Which of the following is not a unit of inductance? All of the listed here Volt second per ampere Coulomb/volt ampere Hennry All of the listed here Volt second per ampere Coulomb/volt ampere Hennry ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction An open coil has Zero resistance and inductance Zero resistance and high inductance Infinite resistance and zero inductance Infinite resistance and normal inductance Zero resistance and inductance Zero resistance and high inductance Infinite resistance and zero inductance Infinite resistance and normal inductance ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS