Inductors The inductance of an iron-core coil decreases if None of these 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 ANSWER DOWNLOAD EXAMIANS APP
Inductors An inductor and a resistor are in series with a sine wave voltage source. The frequency is set so that the inductive reactance is equal to the resistance. If the frequency is increased, then VL > VR VR ≥ VL VL = VR VL < VR VL > VR VR ≥ VL VL = VR VL < VR ANSWER DOWNLOAD EXAMIANS APP
Inductors When the current through an inductor decreases, the amount of energy stored in the electromagnetic field increases decreases doubles remains the same increases decreases doubles remains the same 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 μs 48 s 0.48 s 0.48 ms 0.48 μs 48 s 0.48 s ANSWER DOWNLOAD EXAMIANS APP
Inductors The current through a 120 mH coil is changing at a rate of 150 mA/s. The voltage induced across the coil is 1.25 mV 18 mV 1.8 mV 180 mV 1.25 mV 18 mV 1.8 mV 180 mV ANSWER DOWNLOAD EXAMIANS APP
Inductors The following coils are in parallel: 75 H, 40 H, 25 H, and 15 H. The total inductance is approximately 6.9 μH 14 μH 155 μH 2.2 μH 6.9 μH 14 μH 155 μH 2.2 μH ANSWER DOWNLOAD EXAMIANS APP
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