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 150 Hz. 0 Hz. 50 Hz. 100 Hz. 150 Hz. 0 Hz. 50 Hz. 100 Hz. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits If the sheet of a backelite is inserted between the plates of an air capacitor, the capacitance will remains unchanged. increase. becomes zero. decrease. remains unchanged. increase. becomes zero. decrease. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits An ideal constant voltage source has _______________ internal impedance whereas a constant current source has ____________ internal impedance. zero, infinite infinite, infinite zero, zero infinite, zero zero, infinite infinite, infinite zero, zero infinite, zero ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Which of the following substance when added to electrolyte promotes smooth deposition? Albumen. Gelatine. Glucose. Any of above. Albumen. Gelatine. Glucose. Any of above. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A coil of negligible resistance has an induction of 100 mH. The current passing through the coil changes from 2 A to 4 A at a uniform rate in 0.1 sec the voltage across the coil during this time would be __________ V. 2 36 8 50 2 36 8 50 ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits If N is the number of nodes and b is the number of branches in a network, then rank of cut set matrix is b - N - 1. N. N - 1. b - N + 1. b - N - 1. N. N - 1. b - N + 1. ANSWER DOWNLOAD EXAMIANS APP
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