Inductors The inductance of an iron-core coil decreases if the number of turns is decreased None of these the length of the coil decreases the iron core is removed the number of turns is decreased None of these the length of the coil decreases the iron core is removed ANSWER DOWNLOAD EXAMIANS APP
Inductors An 18 V power supply is connected across a coil with a winding resistance of 180 . Current flow in the coil is 10 mA 1 A 100 mA 1 mA 10 mA 1 A 100 mA 1 mA ANSWER DOWNLOAD EXAMIANS APP
Inductors A sine wave voltage is applied across an inductor. When the frequency of the voltage is decreased, the current is increased is decreased momentarily goes to zero does not change is increased is decreased momentarily goes to zero does not change ANSWER DOWNLOAD EXAMIANS APP
Inductors An inductance of 0.08 μH is larger than 0.000008 H 0.000000008 H 0.00008 mH 0.0000008 H 0.000008 H 0.000000008 H 0.00008 mH 0.0000008 H 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? 57 mA 78 mA 400 mA 91 mA 57 mA 78 mA 400 mA 91 mA 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 870 mA 87 A 87 mA 337 mA 870 mA 87 A 87 mA 337 mA ANSWER DOWNLOAD EXAMIANS APP
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