Electric Circuits A 20 μF capacitor and 200 W, 220 V lamp is connected in series across a 220 V alternating supply. In which frequency of the supply the lamp will glow dimmest? 10 Hz. 1000 Hz. 1 Hz. 100 Hz. 10 Hz. 1000 Hz. 1 Hz. 100 Hz. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Which variety of copper has the best mechanical strength ? Hard drawn copper. Annealed copper. Soft copper. Cast copper. Hard drawn copper. Annealed copper. Soft copper. Cast copper. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Resistor stores the energy in the form of electrical field. magnetic field. both A and B. None of these electrical field. magnetic field. both A and B. None of these ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A series circuit consists of R = 20 Ω, L = 20 mH, and AC supply 60 V with f = 100 Hz. The voltage drop across L is 50.5 V. 45.5 V. 31.9 V. 39.1 V. 50.5 V. 45.5 V. 31.9 V. 39.1 V. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Which resistor will be physically larger in size? 1 M Ω, 1/2 W. 1 k Ω, 1 W. 100 Ω, 10 W. 10 Ω, 50 W. 1 M Ω, 1/2 W. 1 k Ω, 1 W. 100 Ω, 10 W. 10 Ω, 50 W. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The capacitance of a parallel plate capacitor can be varied by changing the dielectric medium only. changing the overlapping area of the plates only. changing the distance between the plates only. All of these changing the dielectric medium only. changing the overlapping area of the plates only. changing the distance between the plates only. All of these ANSWER DOWNLOAD EXAMIANS APP
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