Electromagnetic induction Two 300 uH coils in series without mutual coupling have a total inductance of 900 uH 300 uH 1200 uH 600 uH 900 uH 300 uH 1200 uH 600 uH ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction Air-core coils are practically free from Both Hysteresis losses & Eddy current losses Eddy current losses Hysteresis losses None of the listed here Both Hysteresis losses & Eddy current losses Eddy current losses Hysteresis losses None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction Which of the following is unit of inductance? Ampere turns Hennry Ohm Weber/metre Ampere turns Hennry Ohm Weber/metre ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction The self inductances of two coils are 8 mH and 18 mH. If the coefficient of coupling is 0.5, the mutual inductance of the coils is 6 mH 18 mH 36 mH 12 mH 6 mH 18 mH 36 mH 12 mH ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction In an iron cored coil the iron core is removed so that the coil becomes an air cored coil. The inductance of the coil will None of the listed here Decreases Increases Remains same None of the listed here Decreases Increases Remains same ANSWER DOWNLOAD EXAMIANS APP
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 48 mH 12 mH 24 mH 6 mH 48 mH 12 mH 24 mH ANSWER DOWNLOAD EXAMIANS APP
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