Electric Circuits At which of the following frequency voltage across capacitor has maximum value for series circuit ? Less than resonance frequency Equal to resonance frequency Zero frequency Greater than resonance frequency Less than resonance frequency Equal to resonance frequency Zero frequency Greater than resonance frequency ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The inductive reactance of an electric circuit is 200 Ohms. The frequency of supply becomes doubled. What is the new capacitive reactance? 100 Ohms. 50 Ohms. 400 Ohms. 200 Ohms. 100 Ohms. 50 Ohms. 400 Ohms. 200 Ohms. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The active and reactive power in an AC circuit are 10W and 20VAR respectively. What is the power factor? 0.866. 0.577. 0.5. 1. 0.866. 0.577. 0.5. 1. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits What is apparent power in AC operation? Product of voltage and current at full load. Product of voltage and current. Product of rms voltage and rms current. Product of voltage and current at no load. Product of voltage and current at full load. Product of voltage and current. Product of rms voltage and rms current. Product of voltage and current at no load. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Which cell has the reversible chemical reaction? Carbon Zinc. Lead acid. Silver oxide. Mercury oxide. Carbon Zinc. Lead acid. Silver oxide. Mercury oxide. 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. 15 A. 20 A. 10 A. 7 A. 15 A. 20 A. ANSWER DOWNLOAD EXAMIANS APP
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