Inductors The voltage across a coil when di/dt = 20 mA/s and L = 8 H is 2.5 mV 16 mV 160 mV 1.6 mV 2.5 mV 16 mV 160 mV 1.6 mV ANSWER DOWNLOAD EXAMIANS APP
Inductors The inductance of an iron-core coil decreases if 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 the length of the coil decreases None of these the iron core is removed 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 A sine wave voltage is applied across an inductor. When the frequency of the voltage is decreased, the current is increased does not change momentarily goes to zero is decreased is increased does not change momentarily goes to zero is decreased ANSWER DOWNLOAD EXAMIANS APP
Inductors An inductor, a 1 k resistor, and a switch are connected in series across a 6 V battery. At the instant the switch is closed, the inductor voltage is 6 V 12 V 0 V 4 V 6 V 12 V 0 V 4 V ANSWER DOWNLOAD EXAMIANS APP
Inductors When the current through an inductor is cut in half, the amount of energy stored in the electromagnetic field is quartered quadruples does not change doubles is quartered quadruples does not change doubles ANSWER DOWNLOAD EXAMIANS APP