Inductors The voltage across a coil when di/dt = 20 mA/s and L = 8 H is 2.5 mV 1.6 mV 16 mV 160 mV 2.5 mV 1.6 mV 16 mV 160 mV ANSWER DOWNLOAD EXAMIANS APP
Inductors When the current through an inductor decreases, the amount of energy stored in the electromagnetic field doubles decreases remains the same increases doubles decreases remains the same increases ANSWER DOWNLOAD EXAMIANS APP
Inductors An ohmmeter is connected across an inductor and the pointer indicates zero ohms. The inductor is open shorted partly shorted good open shorted partly shorted good 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 winding resistance of a coil can be increased by increasing the number of turns changing the core material increasing the number of turns or using thinner wire using a thinner wire increasing the number of turns changing the core material increasing the number of turns or using thinner wire using a thinner wire 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? 57 mA 400 mA 91 mA 78 mA 57 mA 400 mA 91 mA 78 mA ANSWER DOWNLOAD EXAMIANS APP