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 s 0.48 μs 48 s 0.48 ms 0.48 s 0.48 μs 48 s 0.48 ms 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 A 10 mA 100 mA 1 mA 1 A 10 mA 100 mA 1 mA 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 VR ≥ VL VL = VR VL > VR VL < VR VR ≥ VL VL = VR VL > VR VL < VR ANSWER DOWNLOAD EXAMIANS APP
Inductors Five inductors are connected in series. The lowest value is 8 μH. If the value of each inductor is twice that of the preceding one, and if the inductors are connected in order of ascending values, the total inductance is 64 μH 8 H 32 μH 248 μH 64 μH 8 H 32 μH 248 μH ANSWER DOWNLOAD EXAMIANS APP
Inductors The current through a 120 mH coil is changing at a rate of 150 mA/s. The voltage induced across the coil is 1.8 mV 18 mV 1.25 mV 180 mV 1.8 mV 18 mV 1.25 mV 180 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 337 mA 87 mA 870 mA 87 A 337 mA 87 mA 870 mA 87 A ANSWER DOWNLOAD EXAMIANS APP
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