Electric Circuits When power factor angle is constant, then shape of the current locus is straight line. triangle. circle. semi circle. straight line. triangle. circle. semi circle. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits For same voltage, the ratio resistance of 100 W lamp to resistance of 25 W lamp is 1/4. 16. 4. 1. 1/4. 16. 4. 1. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A series circuit consists of R = 20 Ω, L = 20 mH, and AC supply 60 V with f = 100 Hz. The voltage drop across R is 24.4 V . 50.8 V. 40.8 V. 30.6 V. 24.4 V . 50.8 V. 40.8 V. 30.6 V. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The terminals across the source are ___________ if a voltage source is to be neglected. open circuited. replaced by a shunt resistance. replaced by a series resistance. short circuited. open circuited. replaced by a shunt resistance. replaced by a series resistance. short circuited. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Which of the following has least resistivity? Lead. Aluminium. Copper. Mercury. Lead. Aluminium. Copper. Mercury. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Three resistances have the following ratings 150 Ω at 5 %, 100 Ω at 5 % and 200 Ω at 5 % respectively. The percentage error when all the three are connected in series will be + 7 %. + 6 %. + 5 %. + 8 %. + 7 %. + 6 %. + 5 %. + 8 %. ANSWER DOWNLOAD EXAMIANS APP