Inductors The winding resistance of a coil can be increased by increasing the number of turns or using thinner wire changing the core material using a thinner wire increasing the number of turns increasing the number of turns or using thinner wire changing the core material using a thinner wire increasing the number of turns 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 VL < VR VR ≥ VL VL > VR VL = VR VL < VR VR ≥ VL VL > VR 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 decreases increases remains the same doubles decreases increases 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 48 s 0.48 s 0.48 ms 0.48 μs 48 s 0.48 s 0.48 ms ANSWER DOWNLOAD EXAMIANS APP
Inductors Two inductors, L1 and L2, are in parallel. L1 has a value of 25 H and L2 a value of 50 H. The parallel combination is in series with L3, a 20 H coil. The entire combination is across an ac source of 60 Vrms at 300 kHz. The total rms current is 337 mA 87 A 870 mA 87 mA 337 mA 87 A 870 mA 87 mA ANSWER DOWNLOAD EXAMIANS APP
Inductors Two 10 H inductors are in parallel and the parallel combination is in series with a third 10 H inductor. What is the approximate total reactance when a voltage with a frequency of 7 kHz is applied across the circuit terminals? 1.3 MΩ 660 kΩ 66 kΩ 219 kΩ 1.3 MΩ 660 kΩ 66 kΩ 219 kΩ ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS