Electric Circuits Capacitor does not allow the sudden change of voltage current None of these power voltage current None of these power ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A 3 wire, 3 - φ supply feeds a load consisting of three equal resistors. By how much is the load reduced if one of the resistors be removed when the load is in star? 25 % of the original load. 50 % of the original load. 66.66 % of the original load. 33.33 % of the original load. 25 % of the original load. 50 % of the original load. 66.66 % of the original load. 33.33 % of the original load. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits What is called a cycle in case of AC operation ? 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. When an alternating quantity completes the (–)ve cycle, is called a cycle. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A variable capacitance is one whose capacitance changes with voltage. changes with time. changes with temperature. can be changed manually or by mechanical force. changes with voltage. changes with time. changes with temperature. can be changed manually or by mechanical force. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The synchronous speed for the seventh space harmonic mmf wave of 8 pole, 50 Hz induction machine will be 107.14 rpm in forward direction. 107.14 rpm in reverse direction. 5250 rpm in reverse direction. 5250 rpm in forward direction. 107.14 rpm in forward direction. 107.14 rpm in reverse direction. 5250 rpm in reverse direction. 5250 rpm in forward direction. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits What is the real power in AC operation? Apperant power × cosφ. Both option A and B. None of these. VIcosφ. Apperant power × cosφ. Both option A and B. None of these. VIcosφ. ANSWER DOWNLOAD EXAMIANS APP