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 VL < VR VL = VR VR ≥ VL VL > VR VL < VR VL = VR VR ≥ VL 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 8 H 64 μH 32 μH 248 μH 8 H 64 μH 32 μH 248 μH ANSWER DOWNLOAD EXAMIANS APP
Inductors The voltage across a coil when di/dt = 20 mA/s and L = 8 H is 1.6 mV 16 mV 2.5 mV 160 mV 1.6 mV 16 mV 2.5 mV 160 mV ANSWER DOWNLOAD EXAMIANS APP
Inductors The inductance of an iron-core coil decreases if None of these the number of turns is decreased the length of the coil decreases the iron core is removed None of these the number of turns is decreased the length of the coil decreases the iron core is removed 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 A 870 mA 87 mA 337 mA 87 A 870 mA 87 mA 337 mA 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 1 mA 100 mA 10 mA 1 A 1 mA 100 mA ANSWER DOWNLOAD EXAMIANS APP
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