Electric Circuits Which of the following may be the value of resistivity of copper at absolute zero in ohm-metre? 6.24. 0.020. 3.12. 1.56. 6.24. 0.020. 3.12. 1.56. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The inductive reactance of an electric circuit is 200 Ohms. The frequency of supply becomes doubled. What is the new capacitive reactance? 400 Ohms. 50 Ohms. 100 Ohms. 200 Ohms. 400 Ohms. 50 Ohms. 100 Ohms. 200 Ohms. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits In direct arc furnace which of following is of high value? Power factor. All of above. Voltage. Current. Power factor. All of above. Voltage. Current. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits In above question, if circuit efficiency is 90 %. What will be output power ? 37.3 kW. 40 kW. 35.6 kW. 30 kW. 37.3 kW. 40 kW. 35.6 kW. 30 kW. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The efficiency in case of maximum power transfer theorem is 50 % - 100 %. 50 %. 100 %. less than 50 %. 50 % - 100 %. 50 %. 100 %. less than 50 %. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A p.d. of 300 V is applied across series combination of 3 μF and 9 μF capacitors. The charge on each capacitor is ___________________ μC. 7.5. 240. 675. 3600. 7.5. 240. 675. 3600. ANSWER DOWNLOAD EXAMIANS APP
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