Electric Circuits Cells are connected in parallel in order to increase life of the cells. current capacity. efficiency. voltage rating. life of the cells. current capacity. efficiency. voltage rating. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A balanced delta connected load has an impedance of 9∠30o Ω per phase. What is the impedance per phase of its equivalent star? 27∠30o Ω 3∠30o Ω. None of these 30∠30o Ω. 27∠30o Ω 3∠30o Ω. None of these 30∠30o Ω. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits If the length of a wire of resistance R is uniformly stretched to n times its original value, what will be its new resistance R / n2. n2 / R. n2R. nR . R / n2. n2 / R. n2R. nR . ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits In the figure given, the value of R is 12 Ω. 24 Ω. 18 Ω. 10 Ω. 12 Ω. 24 Ω. 18 Ω. 10 Ω. ANSWER DOWNLOAD EXAMIANS APP
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? 1 Hz. 100 Hz. 10 Hz. 1000 Hz. 1 Hz. 100 Hz. 10 Hz. 1000 Hz. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits What is the unit of potential difference ? Ampere Volt Watt Ohm Ampere Volt Watt Ohm ANSWER DOWNLOAD EXAMIANS APP
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