Electromagnetic induction Two coils have inductances of 8 mH and 18 mH and a coefficient of coupling of 0.5. If the two coils are connected in series aiding, the total inductance will be 30 mH 36 mH 38 mH 48 mH 30 mH 36 mH 38 mH 48 mH ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction A conductor carries 125 amperes of current under 60° to a magnetic field of 1.1 tesla. The force on the conductor will be nearly 120 N 30 N 60 N 90 N 120 N 30 N 60 N 90 N ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction Which of the following is unit of inductance? Ohm Weber/metre Hennry Ampere turns Ohm Weber/metre Hennry Ampere turns ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction An open coil has Infinite resistance and normal inductance Infinite resistance and zero inductance Zero resistance and inductance Zero resistance and high inductance Infinite resistance and normal inductance Infinite resistance and zero inductance Zero resistance and inductance Zero resistance and high inductance 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 36 mH 6 mH 12 mH 18 mH 36 mH 6 mH 12 mH 18 mH 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 28 mH 24 mH 3 mH 12 mH 28 mH 24 mH 3 mH 12 mH ANSWER DOWNLOAD EXAMIANS APP