Electric Circuits A motor having a power factor of 0.8 absorbs in active power of 1200 W the reactive power drawn from the supply is _________ VA. 400 130 250 900 400 130 250 900 ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits If conductance increases as temperature increases it is called as .......... None of these negative co-efficient. positive co-efficient. both 1 and 2. None of these negative co-efficient. positive co-efficient. both 1 and 2. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A piece of copper and another piece of germanium are cooled from room temperature to 80K. The resistance of copper decreases and germanium increases. copper increases and germanium decreases. each of them decreases. each of them increases. copper decreases and germanium increases. copper increases and germanium decreases. each of them decreases. each of them increases. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits In RC series circuit R = 2Ω, C = 2μF and 10V dc is applied. Then what is the value of current? 0A 5A 2A 10A 0A 5A 2A 10A ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The plates of lead acid storage battery are most likely to be short circuited if the battery charged too slowly. too much water is added. the electrolyte evaporates. sediment collect at the bottom of the battery. the battery charged too slowly. too much water is added. the electrolyte evaporates. sediment collect at the bottom of the battery. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Emf induced in a coil rotating in a uniform magnetic field will be maximum when the rate of cutting flux by coil sides is minimum. flux linking with the coil is maximum. rate of change of flux linkage is maximum. rate of change of flux linkage is minimum. rate of cutting flux by coil sides is minimum. flux linking with the coil is maximum. rate of change of flux linkage is maximum. rate of change of flux linkage is minimum. ANSWER DOWNLOAD EXAMIANS APP
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