Inductors The following coils are in parallel: 75 H, 40 H, 25 H, and 15 H. The total inductance is approximately 14 μH 155 μH 2.2 μH 6.9 μH 14 μH 155 μH 2.2 μH 6.9 μH 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 78 mA 91 mA 57 mA 400 mA 78 mA 91 mA 57 mA ANSWER DOWNLOAD EXAMIANS APP
Inductors The inductance of an iron-core coil decreases if the length of the coil decreases None of these the iron core is removed the number of turns is decreased the length of the coil decreases None of these the iron core is removed the number of turns is decreased ANSWER DOWNLOAD EXAMIANS APP
Inductors The voltage across a coil when di/dt = 20 mA/s and L = 8 H is 16 mV 160 mV 2.5 mV 1.6 mV 16 mV 160 mV 2.5 mV 1.6 mV 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 1 mA 1 A 100 mA 10 mA 1 mA 1 A 100 mA 10 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 decreases increases remains the same doubles decreases increases ANSWER DOWNLOAD EXAMIANS APP
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