Electric Circuits Silver coating is provided for bearing surfaces. decorative purpose. protective purpose. all of above. bearing surfaces. decorative purpose. protective purpose. all of above. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits If c1 = 8 μF, c2 = 4 μF, c3 = 7 μF c1, c2 are in series with c3 in parallel; effective capacitance will be 6 μF. 2.21 μF. 9.67 μF. 3 μF. 6 μF. 2.21 μF. 9.67 μF. 3 μF. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits What are the points to be mentioned in specifying main switches? Voltage grade. None of these. Both A and B. Current rating. Voltage grade. None of these. Both A and B. Current rating. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Instantaneous power in inductor is proportional to the square of instantaneous current. square of the rate of change of current. product of the instantaneous current and rate of change of current. temperature of the inductor. square of instantaneous current. square of the rate of change of current. product of the instantaneous current and rate of change of current. temperature of the inductor. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits In a 3 - φ delta connection, two-wattmeter method is used to measure the power; if the two watt meters read 28.13 kW and 13.31 kW, the power factor of connection will be 0.85. 0.6. 0.9. 0.4. 0.85. 0.6. 0.9. 0.4. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Emf induced in a coil rotating in a uniform magnetic field will be maximum when the rate of change of flux linkage is maximum. rate of change of flux linkage is minimum. flux linking with the coil is maximum. rate of cutting flux by coil sides is minimum. rate of change of flux linkage is maximum. rate of change of flux linkage is minimum. flux linking with the coil is maximum. rate of cutting flux by coil sides is minimum. ANSWER DOWNLOAD EXAMIANS APP
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