Electromagnetic induction Two 300 uH coils in series without mutual coupling have a total inductance of 300 uH 600 uH 900 uH 1200 uH 300 uH 600 uH 900 uH 1200 uH 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 Halved Quadrupled Unaffected Doubled Halved Quadrupled Unaffected Doubled ANSWER DOWNLOAD EXAMIANS APP
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 48 mH 30 mH 36 mH 38 mH 48 mH 30 mH 36 mH 38 mH ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction Current changing from 8 A to 12 A in one second induced 20 volts in a coil. The value of inductance is 15 H 10 H 20 H 5 H 15 H 10 H 20 H 5 H ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction Find the force acting on a conductor 3m long carrying a current of 50 amperes at right angles to a magnetic field having a flux density of 0.67 tesla 1000 N 300 N 100 N 400 N 1000 N 300 N 100 N 400 N ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction A 500 turns solenoid develops an average induced voltage of 60 V. Over what time interval must a flux change of 0.06 Wb occur to produce such a voltage? 0.5 s 0.1 s 0.2 s None of the listed here 0.5 s 0.1 s 0.2 s None of the listed here ANSWER DOWNLOAD EXAMIANS APP
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