Electric Circuits The rms value of the voltage U(t)= 3 + 4cos(3t) 4.123 V. 7 V. 5 V. {3 + 2(1.141)} V. 4.123 V. 7 V. 5 V. {3 + 2(1.141)} V. 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 0.4. 0.6. 0.85. 0.9. 0.4. 0.6. 0.85. 0.9. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The capacitive reactance of an electric circuit is 50 Ohms. The frequency of supply becomes doubled. What is the new capacitive reactance? 200 Ohms. 50 Ohms. 100 Ohms. 25 Ohms. 200 Ohms. 50 Ohms. 100 Ohms. 25 Ohms. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits When power factor angle is varying, the shape of the current locus is Straight line Triangle Circle Semicircle Straight line Triangle Circle Semicircle ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A two port network is defined by the relation The value of Z12 is 3. 2/31. 3/41. -3. 3. 2/31. 3/41. -3. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits When 125 V is applied across a 250 V, 100 W filament incandescent bulbs, the power consumption is 25 W. 100 W. 50 W. 12.5 W. 25 W. 100 W. 50 W. 12.5 W. ANSWER DOWNLOAD EXAMIANS APP
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