Question : The color of the light emitted by LED depends on (A). its forward bias (B). its reverse bias (C). forward current (D)....

Question : The chimney works best on the principle of (A). equation of continuity (B). Bernoulli's equation (C). light equation...

Question : The quantity that remains unchanged in a transformer is (A). voltage (B). current (C). frequency (D). both voltage and...

Question : Electron in the atom are held in the atom due to (A). coulombs force (B). nuclear force (C). atomic force (D). coulomb...

Question : Two positive charges q1 6 and q2 are separated by a diameter of 3m will produce the force of (A). 40N (B). 41.1N (C). 4...

Question : The fundamental equation that relates pressure to fluid's speed and height is known as (A). equation of continuity (B)...

Question : The cathode ray oscilloscope displays the graph of the waveforms based on (A). current (B). voltage (C). potential diffe...

Question : Energy from the gravitational field is the energy obtained from (A). wind (B). biomass (C). coal (D). tides Show Answe...

Question : Electric charges under the action of electric forces is called (A). electrostatic (B). electric flux (C). electric field...

Question : If the turns ratio of transformer is 10 it means that (A). Is 0 Ip (B). Ip 0 Is (C). Ns 0 Np (D). IsIp and IpIs Show...