Inductors When the current through an inductor is cut in half, the amount of energy stored in the electromagnetic field doubles is quartered does not change quadruples doubles is quartered does not change quadruples ANSWER DOWNLOAD EXAMIANS APP
Inductors A 5 mH, a 4.3 mH, and a 0.6 mH inductor are connected in parallel. The total inductance is greater than 5 mH 9.9 mH or greater than 5 mH less than 0.6 mH 9.9 mH greater than 5 mH 9.9 mH or greater than 5 mH less than 0.6 mH 9.9 mH ANSWER DOWNLOAD EXAMIANS APP
Inductors The inductance of an iron-core coil decreases if the iron core is removed the number of turns is decreased the length of the coil decreases None of these the iron core is removed the number of turns is decreased the length of the coil decreases None of these ANSWER DOWNLOAD EXAMIANS APP
Inductors A switch, a 220 Ω resistor, and a 60 mH inductor are in series across a 20 V battery. What is the current through the inductor two time constants after the switch is closed? 91 mA 78 mA 57 mA 400 mA 91 mA 78 mA 57 mA 400 mA ANSWER DOWNLOAD EXAMIANS APP
Inductors Three 15 mH inductors are in series. The total inductance is 30 mH 15 mH 45 mH 5 mH 30 mH 15 mH 45 mH 5 mH ANSWER DOWNLOAD EXAMIANS APP
Inductors A 320 H coil is in series with a 3.3 k resistor. How long does it take for current to build up to its full value? 0.48 μs 0.48 s 0.48 ms 48 s 0.48 μs 0.48 s 0.48 ms 48 s ANSWER DOWNLOAD EXAMIANS APP