Electric Circuits Which part of magnetic path requires largest mmf? Inductance. Air gap. Core. Coil. Inductance. Air gap. Core. Coil. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Emf induced in a coil rotating in a uniform magnetic field will be maximum when the flux linking with the coil is maximum. rate of cutting flux by coil sides is minimum. rate of change of flux linkage is minimum. rate of change of flux linkage is maximum. flux linking with the coil is maximum. rate of cutting flux by coil sides is minimum. rate of change of flux linkage is minimum. rate of change of flux linkage is maximum. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A coil with negligible resistance has 50 V across it with 10 mA. The inductive reactance is 1000 ohms. 5000 ohms. 500 ohms. 50 ohms. 1000 ohms. 5000 ohms. 500 ohms. 50 ohms. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A parallel plate capacitor with air as dielectric, force between plate is F. If capacitor is now immersed water of dielectric εr, force between plate will be – 0. εr/F. F εr. F. 0. εr/F. F εr. F. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits If c1 = 8 μF, c2 = 4 μF, c3 = 7 μF c1, c2 are in series with c3 in parallel; effective capacitance will be 2.21 μF. 6 μF. 3 μF. 9.67 μF. 2.21 μF. 6 μF. 3 μF. 9.67 μF. ANSWER DOWNLOAD EXAMIANS APP
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