For the following questions answer them individually
A lamp having mean spherical candle power of 800 is suspended at a height of 10 m. Calculate the illumination just before the lamp
Two wires A and B have the same cross-section and are made of the same material. $$R_A$$ = 800 Ω and $$R_B$$ = 100 Ω. The number of times A is longer than B is
In the circuit shown in figure, find the transient current i(t) when the switch is closed at t = 0, Assume zero initial condition
A DC voltmeter has a sensitivity of 1000 Ω/watt. When it measure half full scale in 100 V range, the current through the voltmeter will be
A delta-star transformer has a phase to phase voltage transformation ratio of a : 1 [delta phase : star phase]. The line to line voltage ratio of star-delta is given by