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 0.4. 0.9. 0.85. 0.6. 0.4. 0.9. 0.85. 0.6. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A 3 – φ delta connected symmetrical load consumes P Watts of power from a balanced supply. If the same load is connected in star to the same supply then what is the power consumption? √3P. 3P. P. P/3. √3P. 3P. P. P/3. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The ratio of intensity of magnetisation to the magnetising force is known as flux density. none of above. susceptibility. relative permeability. flux density. none of above. susceptibility. relative permeability. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A capacitor that stores charge of 0.5 C at 10 V has a capacitance of _____________ farad. 0.05. 5. 10. 20. 0.05. 5. 10. 20. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits An equipotential surface is one which has all points at _____________ potential. different. zero. same. none of them. different. zero. same. none of them. ANSWER DOWNLOAD EXAMIANS APP
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. 400 250 130 900 400 250 130 900 ANSWER DOWNLOAD EXAMIANS APP
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