Electric Circuits A current is said to be alternating when it changes in none of these. magnitude. both ‘a’ and ‘b’. direction. none of these. magnitude. both ‘a’ and ‘b’. direction. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits How many 200W / 220V bulbs connected in series across 220V supply will consume 100W? 2. 1. 4. Not possible. 2. 1. 4. Not possible. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits In RC series circuit R = 2Ω, C = 2μF and 10V dc is applied. Then what is the value of current? 0A 10A 2A 5A 0A 10A 2A 5A ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Electrics supply for electroplating should be DC voltage. low frequency ac voltage. low AC voltage. any of above. DC voltage. low frequency ac voltage. low AC voltage. any of above. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits In a capacitor the electric charge is stored in dielectric. both of (A) and (B). none of above. metal plates. dielectric. both of (A) and (B). none of above. metal plates. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A 10 μF capacitor and 100 W, 220 V lamp is connected in series across a 220 V alternating supply. In which frequency of the supply the lamp will glow brightest? 1000 Hz. 100 Hz. 1 Hz. 10 Hz. 1000 Hz. 100 Hz. 1 Hz. 10 Hz. ANSWER DOWNLOAD EXAMIANS APP
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