Electric Circuits A current of 4 A flows in an ac circuit when 100 V dc is applied to it whereas it takes 250 v ac to produce the same current the power factor of the circuit is 0.85. 0.4. 10. 1. 0.85. 0.4. 10. 1. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Total instantaneous power supplied by a 3 - φ AC supply to a balanced RL load is zero. pulsating with zero average. constant. pulsating with non zero average. zero. pulsating with zero average. constant. pulsating with non zero average. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits In RLC parallel network R = 2 Ohm, L = 2mH and C = 1μF. Find the value of time constant? 2 μsec 4 μsec 4 msec 2 msec 2 μsec 4 μsec 4 msec 2 msec ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The resistivity of semi-conductors at room temperatures is 0.01 to 50 ohm - cm. 109 to 1012 ohm - cm. 1000 to 1500 ohm - cm. 1.6 × 106 to 100 × 106 ohm - cm. 0.01 to 50 ohm - cm. 109 to 1012 ohm - cm. 1000 to 1500 ohm - cm. 1.6 × 106 to 100 × 106 ohm - cm. 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 current in R is 2.54 A. 1.27 A. 10.16 A. 5.08 A. 2.54 A. 1.27 A. 10.16 A. 5.08 A. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A voltage of v = 100 sin (wt + π/3) is applied to pure resistor of 30 Ohm. What is the RMS value of current is 1.92. 2.36. 5.77. 4.71. 1.92. 2.36. 5.77. 4.71. ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS