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 None of these 30∠30o Ω. 3∠30o Ω. 27∠30o Ω None of these 30∠30o Ω. 3∠30o Ω. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A 60 Hz frequency voltage would cause a bulb to turn on and off 80 times per second. 60 times per second. 120 times per second. 70 times per second. 80 times per second. 60 times per second. 120 times per second. 70 times per second. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Efficiency of electrical machines should be calculated by measuring output and input. losses. losses and input. losses and output. output and input. losses. losses and input. losses and output. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits How many coulombs of charge flow through a circuit carrying a current of 10 A in 1 minute? 1200 10 60 600 1200 10 60 600 ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A current in a circuit is given by, If the current flows through the 5 Ω resistor, find power dissipated at t = 0? 10 Watts. 20 Watts. 15 Watts. 40 Watts. 10 Watts. 20 Watts. 15 Watts. 40 Watts. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits If a capacitors of capacitance 100 μF is connected across a voltage source of 10 V, then what will be the energy stored in that capacitor? 10 × 10 - 3 Joule. 10 × 10 6 Joule. 5 × 10 - 2 Joule. 5 × 10 - 3 Joule. 10 × 10 - 3 Joule. 10 × 10 6 Joule. 5 × 10 - 2 Joule. 5 × 10 - 3 Joule. ANSWER DOWNLOAD EXAMIANS APP
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