If no load is connected to solar PV system, its voltage will go on increasing till its breakdown it will dissipate energy in the panel and increase its temperature it will start reflecting the light it will stop absorbing light TRUE ANSWER : ? YOUR ANSWER : ?
Which one of the following statement is TRUE? Underground cables are laid at sufficient depth to avoid being unearthed easily due to removal of soil. In the cables, sheaths are used to provide enough strength. The current carrying capacity of cables in DC is less than that in AC. In the cables, the location of fault is usually found out by comparing the capacitances of insulated conductors. TRUE ANSWER : ? YOUR ANSWER : ?
A three-phase, 4-pole, 50 Hz induction motor runs at 1425 rpm. Find out the percentage slip of the induction motor. 4% 5% 3% 6% TRUE ANSWER : ? YOUR ANSWER : ?
In the circuit of figure, the switch is closed to position-1 for a long time. At t = 0 the switch position is changed from postion-1 to postion-2. Find an expression for the current i(t). i(t) = (E/R) cos[1/√(LC)]t A i(t) = (E/R) sin√(LC) t A i(t) = (E/R) sin[1/√(LC)]t A i(t) = (E/R) cos√(LC) t A TRUE ANSWER : ? YOUR ANSWER : ?
Find the word which is correctly spelt from the given options. Socialy Abolishid seriuous Oscillate TRUE ANSWER : ? YOUR ANSWER : ?
The relation between electric intensity E, voltage applied V and the distance d between the plates of a parallel plate condenser is E = V x d E = V/d E = V/(d)² E = Vx(d)² TRUE ANSWER : ? YOUR ANSWER : ?
Recently, which country has withdrawn the 'Generalized System of Preferences' with India? Russia Pakistan Peru United States of America TRUE ANSWER : ? YOUR ANSWER : ?
In the RLC series circuit shown in figure, resonance occurs when the value of C is 20 µF. The supply voltages is v(t) = 20 sin (500t) V. Find the value of L. 5 H 0.2 mH 0.2 H 5 mH TRUE ANSWER : ? YOUR ANSWER : ?
In a typical DC micro grid, hybrid storage system is a combination of Lead acid battery and Lithium ion battery None of these Lead acid battery and ultra capacitor / super capacitor Lead acid battery and Capacitor TRUE ANSWER : ? YOUR ANSWER : ?
A three-phase, 12 kV, 50 Hz and 300 kW load is operating at 0.8 pf lag. If the pf is to be improved to unity, using star connected capacitor, the per phase value of the reactive VAR required is: 75 kVAR 100 kVAR 50 kVAR 25 kVAR TRUE ANSWER : ? YOUR ANSWER : ?