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 30∠30o Ω. 3∠30o Ω. None of these 27∠30o Ω 30∠30o Ω. 3∠30o Ω. None of these ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Two wires of A and B of the same material and length ‘l’ and ‘2l’ have radius ‘r’ and ‘2r’ respectively. The ratio of their specific resistance will be 1:8. 1:2. 4:1. 1:1. 1:8. 1:2. 4:1. 1:1. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits 200 resistors of 200 Ω each are connected in parallel. Their equivalent resistance will be 400 Ω. 200 Ω. 1 Ω. 4 kΩ. 400 Ω. 200 Ω. 1 Ω. 4 kΩ. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Consider the following circuit. In this circuit, when Vs = 3 V, I = 4 A, what is the value of I when Vs = 12 V? 10 A. 7 A. 20 A. 15 A. 10 A. 7 A. 20 A. 15 A. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits When power factor angle is constant, then shape of the current locus is circle. straight line. triangle. semi circle. circle. straight line. triangle. semi circle. 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 current in the circuit? 0.2547 A. 0.1578 A. 0.1465 A. 0.4583 A. 0.2547 A. 0.1578 A. 0.1465 A. 0.4583 A. ANSWER DOWNLOAD EXAMIANS APP
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