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. 0.4. 0.9. 0.85. 0.6. 0.4. 0.9. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits In delta connected circuit when one resistor is open, then power will be remain unchanged. increased by factor of 3. reduced by the factor of 3. 0. remain unchanged. increased by factor of 3. reduced by the factor of 3. 0. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Which of the following can not be connected in series unless they are identical? Both of above. Resistance. Current source. Voltage source. Both of above. Resistance. Current source. Voltage source. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits In series R, L circuit power factor can be defined as R/Z P/S All of these Vr/V R/Z P/S All of these Vr/V ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits In RL series circuit R=2Ω and L=2mH. What is the value of time constant? 100sec 4msec 2msec 1msec 100sec 4msec 2msec 1msec ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Unit of apparent power is VAR. VA. KWhr. Watts. VAR. VA. KWhr. Watts. ANSWER DOWNLOAD EXAMIANS APP