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 36 mH 48 mH 38 mH 30 mH 36 mH 48 mH 38 mH 30 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 30 N 60 N 120 N 90 N 30 N 60 N 120 N 90 N 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 Unaffected Quadrupled Halved Doubled Unaffected Quadrupled Halved Doubled 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 18 mH 6 mH 12 mH 36 mH 18 mH 6 mH 12 mH ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction The coefficient of coupling between two air core coils depends on Mutual inductance between two coils only Self-inductance of two coils only Mutual inductance and self inductance of two coils None of the listed here Mutual inductance between two coils only Self-inductance of two coils only Mutual inductance and self inductance of two coils None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction The inductance of a coil will increase under all the following conditions except 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 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 ANSWER DOWNLOAD EXAMIANS APP
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