Electric Circuits Four bulbs of 40 W each are connected in series with a battery across them, which of the following statement is true? None of these The current through each bulb is same. The voltage across each bulb is not same. The power dissipation in each bulb is not same. None of these The current through each bulb is same. The voltage across each bulb is not same. The power dissipation in each bulb is not same. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Condition for a balanced 3 - phase load is that, each phase has the same value of __________________. power factor. resistance. all of these. impedance. power factor. resistance. all of these. impedance. 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 0.9. 0.4. 0.6. 0.85. 0.9. 0.4. 0.6. 0.85. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Which of the following may be the value of resistivity of copper at absolute zero in ohm-metre? 0.020. 6.24. 1.56. 3.12. 0.020. 6.24. 1.56. 3.12. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits In above question, if circuit efficiency is 90 %. What will be output power ? 35.6 kW. 40 kW. 37.3 kW. 30 kW. 35.6 kW. 40 kW. 37.3 kW. 30 kW. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A 100 ohm resistor is directly connected across a 80 V battery. What is the power dissipation? 5 W. 64 W. 10 W. 1 W. 5 W. 64 W. 10 W. 1 W. ANSWER DOWNLOAD EXAMIANS APP
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