Total instantaneous power supplied by a 3 - φ AC supply to a balanced RL load is pulsating with zero average. constant. pulsating with non zero average. zero. TRUE ANSWER : ? YOUR ANSWER : ?
Internal heating of a capacitor is usually attributed to leakage resistance. electron movement. plate vibration. dielectric charge. TRUE ANSWER : ? YOUR ANSWER : ?
For ideal tank circuit what is the value of dynamic impedance? Both 0 ∞ None of these TRUE ANSWER : ? YOUR ANSWER : ?
The coils having self inductor of 10 mH and 15 mH have an effective inductor of 40 mH, when connected in series aiding. What will be the equivalent inductor if we connect them in series opposing 0 mH. 5 mH. 20 mH. 10 mH. TRUE ANSWER : ? YOUR ANSWER : ?
Basic cut set matrix consists of 2 branch. any number of branches. no branches. one branch. TRUE ANSWER : ? YOUR ANSWER : ?
A coil with negligible resistance has 50 V across it with 10 mA. The inductive reactance is 1000 ohms. 5000 ohms. 50 ohms. 500 ohms. TRUE ANSWER : ? YOUR ANSWER : ?
When the battery is being charged, the terminal voltage decreases with none of these. increasing state of charge. increasing charging rate. increasing temperature. TRUE ANSWER : ? YOUR ANSWER : ?
What is the frequency of domestic power in India? 70 Hz. 220 Hz. 60 Hz. 50 Hz. TRUE ANSWER : ? YOUR ANSWER : ?
A balanced star connected load with impedance of 30j - 300 Ω is supplied from a 3 - phase, 4-wire, 173 V system, the voltages to neutral being 100j -900, 100j - 300 and 100j -1500 V. The current in neutral wire is 8.85 A. 50 A. zero. 5 A. TRUE ANSWER : ? YOUR ANSWER : ?
In steady state condition capacitor acts as a current source open circuit voltage source short circuit TRUE ANSWER : ? YOUR ANSWER : ?