Electric Circuits Which of the following has least resistivity? Lead. Aluminium. Copper. Mercury. Lead. Aluminium. Copper. Mercury. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Which property is used to oppose the flow of current ? Capacitance Poteintial difference Resistance Inductance Capacitance Poteintial difference Resistance Inductance ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The rms value of the voltage U(t)= 3 + 4cos(3t) 4.123 V. 5 V. 7 V. {3 + 2(1.141)} V. 4.123 V. 5 V. 7 V. {3 + 2(1.141)} V. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Purpose of using capacitor is / are effect DC filter in electronic circuit. increase p.f of inductive load circuit. to do phase split in AC 1 phase motor. all of these. effect DC filter in electronic circuit. increase p.f of inductive load circuit. to do phase split in AC 1 phase motor. all of these. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A circuit with resistor, inductor, capacitor in series is resonant of 50 Hz. If all the values are now doubled, the new resonant frequency is still f0. f0 / 2. 2f0. f0 / 4. still f0. f0 / 2. 2f0. f0 / 4. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A 230V, 50Hz voltage is applied to a coil having L = 5H and R = 2 Ohm in series with capacitance C. When the voltage across the coil is 400V, find the value of C? 10.54 µF. 8.51 µF. 4.78 µF. 1.8 µF. 10.54 µF. 8.51 µF. 4.78 µF. 1.8 µF. ANSWER DOWNLOAD EXAMIANS APP
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