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. 100 Hz. 1 Hz. 1000 Hz. 10 Hz. 100 Hz. 1 Hz. 1000 Hz. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits How many coulombs of charge flow through a circuit carrying a current of 10 A in 1 minute? 60 10 1200 600 60 10 1200 600 ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits In RL series circuit R=2Ω and L=2mH. What is the value of time constant? 2msec 1msec 100sec 4msec 2msec 1msec 100sec 4msec ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A positive and a negative charged conductor are initially 50 mm apart. When they are moved close together so that they are now only 10 mm apart, the force between them will be 25 times larger than before. 5 times smaller than before. 10 times greater than before. 5 times greater than before. 25 times larger than before. 5 times smaller than before. 10 times greater than before. 5 times greater than before. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Among the options which metal has the highest electrical conductivity? Stranded aluminium. Steel. Copper. Aluminium. Stranded aluminium. Steel. Copper. Aluminium. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Consider the following circuit. What is the value of i ? 5 A. 6 A. 12 A. - 5 A. 5 A. 6 A. 12 A. - 5 A. ANSWER DOWNLOAD EXAMIANS APP
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