Inductors When the current through an inductor is cut in half, the amount of energy stored in the electromagnetic field is quartered does not change quadruples doubles is quartered does not change quadruples doubles 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? 660 kΩ 1.3 MΩ 66 kΩ 219 kΩ 660 kΩ 1.3 MΩ 66 kΩ 219 kΩ ANSWER DOWNLOAD EXAMIANS APP
Inductors The inductance of an iron-core coil decreases if 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 the number of turns is decreased ANSWER DOWNLOAD EXAMIANS APP
Inductors A 240 H inductor is equivalent to a 0.000240 mH inductor 0.240 mH inductor 240 H inductor 240 mH inductor 0.000240 mH inductor 0.240 mH inductor 240 H inductor 240 mH inductor ANSWER DOWNLOAD EXAMIANS APP
Inductors The voltage across a coil when di/dt = 20 mA/s and L = 8 H is 16 mV 1.6 mV 2.5 mV 160 mV 16 mV 1.6 mV 2.5 mV 160 mV 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 87 mA 87 A 337 mA 870 mA 87 mA 87 A 337 mA 870 mA ANSWER DOWNLOAD EXAMIANS APP