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? 78 mA 57 mA 400 mA 91 mA 78 mA 57 mA 400 mA 91 mA ANSWER DOWNLOAD EXAMIANS APP
Inductors An ohmmeter is connected across an inductor and the pointer indicates zero ohms. The inductor is shorted partly shorted good open shorted partly shorted good open ANSWER DOWNLOAD EXAMIANS APP
Inductors The inductance of an iron-core coil decreases if the iron core is removed the length of the coil decreases None of these the number of turns is decreased the iron core is removed the length of the coil decreases None of these the number of turns is decreased ANSWER DOWNLOAD EXAMIANS APP
Inductors A 240 H inductor is equivalent to a 0.240 mH inductor 240 mH inductor 0.000240 mH inductor 240 H inductor 0.240 mH inductor 240 mH inductor 0.000240 mH inductor 240 H inductor ANSWER DOWNLOAD EXAMIANS APP
Inductors The following coils are in parallel: 75 H, 40 H, 25 H, and 15 H. The total inductance is approximately 155 μH 2.2 μH 6.9 μH 14 μH 155 μH 2.2 μH 6.9 μH 14 μH 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 1 mA 10 mA 100 mA 1 A 1 mA 10 mA 100 mA ANSWER DOWNLOAD EXAMIANS APP
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