Electric Circuits What is called the instantaneous value of an alternating current? The value of alternating quantity at any instant. The value of alternating frequency at any instant. The value of peak current at any instant. The value of peak quantity at any instant. The value of alternating quantity at any instant. The value of alternating frequency at any instant. The value of peak current at any instant. The value of peak quantity at any instant. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Which metal is deposited for electro forming? Nickel. Chromium. Silver. Iron. Nickel. Chromium. Silver. Iron. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Efficiency of electrical machines should be calculated by measuring losses and input. losses and output. losses. output and input. losses and input. losses and output. losses. output and input. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The rms value of the voltage U(t)= 3 + 4cos(3t) 7 V. 5 V. {3 + 2(1.141)} V. 4.123 V. 7 V. 5 V. {3 + 2(1.141)} V. 4.123 V. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A 50 μF capacitor is charged to retain 10 MJ of energy by a constant charging current of 1 A. Determine the voltages across the capacitor? 50 V. 30 V. 60 V. 20 V. 50 V. 30 V. 60 V. 20 V. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Internal resistance of ideal current source is zero 100 ohms finite infinite zero 100 ohms finite infinite ANSWER DOWNLOAD EXAMIANS APP
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