Inductors The inductance of an iron-core coil decreases if the number of turns is decreased the iron core is removed the length of the coil decreases None of these the number of turns is decreased the iron core is removed the length of the coil decreases None of these ANSWER DOWNLOAD EXAMIANS APP
Inductors An inductance of 0.43 mH is smaller than 0.00043 H 0.05 H 430 μH 43 μH 0.00043 H 0.05 H 430 μH 43 μH 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 ms 0.48 s 0.48 μs 48 s 0.48 ms 0.48 s 0.48 μs 48 s 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? 400 mA 57 mA 78 mA 91 mA 400 mA 57 mA 78 mA 91 mA ANSWER DOWNLOAD EXAMIANS APP
Inductors When the current through an inductor decreases, the amount of energy stored in the electromagnetic field remains the same doubles increases decreases remains the same doubles increases decreases ANSWER DOWNLOAD EXAMIANS APP
Inductors An inductance of 0.08 μH is larger than 0.000008 H 0.0000008 H 0.00008 mH 0.000000008 H 0.000008 H 0.0000008 H 0.00008 mH 0.000000008 H ANSWER DOWNLOAD EXAMIANS APP