Electric Circuits Energy efficiency during electroplating is usually in the range 80 to 85%. 85 to 90%. 90 to 99%. 50 to 80%. 80 to 85%. 85 to 90%. 90 to 99%. 50 to 80%. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits What is called a cycle in case of AC operation ? When an alternating quantity completes the (–)ve cycle, is called a cycle. When ac goes through a complete (+)ve to (-)ve, is called a cycle. When ac completes the (+)ve half, is called a cycle. Option A and C both. When an alternating quantity completes the (–)ve cycle, is called a cycle. When ac goes through a complete (+)ve to (-)ve, is called a cycle. When ac completes the (+)ve half, is called a cycle. Option A and C both. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A 60 Hz frequency voltage would cause a bulb to turn on and off 120 times per second. 60 times per second. 70 times per second. 80 times per second. 120 times per second. 60 times per second. 70 times per second. 80 times per second. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The voltage across R and L in a series RL circuit are found to be 200 V and 150 V respectively the rms value of the voltage across the series combination is ______ V. 450 200 250 360 450 200 250 360 ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits An electrical motor has rating of 10 MVA at 0.8 lag, represented as series RL circuit at a 50 MVA base. Find the impedance value? (2 + j4) pu (4 + j3) pu (4 + j2 ) pu (3 + j4) pu (2 + j4) pu (4 + j3) pu (4 + j2 ) pu (3 + j4) pu ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Time constant is the time taken for response to rise -------of maximum value? 63.2% 90% 68.3% 100% 63.2% 90% 68.3% 100% ANSWER DOWNLOAD EXAMIANS APP
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