Electric Circuits If a resistor is connected across the voltage source and the frequency of voltage and current wave form is 50Hz, then what is frequency of instantaneous power 100 Hz. 50 Hz. 0 Hz. 150 Hz. 100 Hz. 50 Hz. 0 Hz. 150 Hz. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits In a 3 - φ delta connection, two-wattmeter method is used to measure the power; if the two watt meters read 28.13 kW and 13.31 kW, the power factor of connection will be 0.4. 0.85. 0.9. 0.6. 0.4. 0.85. 0.9. 0.6. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A rectangular magnet of magnetic moment M is cut into two pieces of same length. The magnetic moment of each piece will be M. 2 M. M / L. M / 2. M. 2 M. M / L. M / 2. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits In ideal system coefficient of coupling(k) is 0 1 Both 2 and 3 ∞ 0 1 Both 2 and 3 ∞ ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Active element of electrical circuit is voltage source. current source. none of above. both of them. voltage source. current source. none of above. both of them. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Which of following capacitors has relatively shorter shelf life? both (B) and (C) above. Paper. Electrolytic. Glass. both (B) and (C) above. Paper. Electrolytic. Glass. ANSWER DOWNLOAD EXAMIANS APP
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