Electric Circuits You have to replace 1500 Ω resistor in radio. You have no 1500 Ω resistor but have several 1000 Ω ones which you would connect two in parallel. two in parallel and one in series. three in parallel. three in series. two in parallel. two in parallel and one in series. three in parallel. three in series. 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. 5250 rpm in reverse direction. 107.14 rpm in reverse direction. 5250 rpm in forward direction. 107.14 rpm in forward direction. 5250 rpm in reverse direction. 107.14 rpm in reverse direction. 5250 rpm in forward direction. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Resistance of which material does not change with change in temperature? Tungsten. Brass. Platinum. Metal alloys constantan and manganin. Tungsten. Brass. Platinum. Metal alloys constantan and manganin. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Three resistors each R Ohm is connected to form a triangle. The equivalent resistance across any terminals is 2R/3. R. 3R/2. R/2. 2R/3. R. 3R/2. R/2. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A voltage source having an open circuit voltage of 100 V and internal resistance of 50 Ω is equivalent to a current source none of these. 2 A with 50 Ω in series. 2 A with 50 Ω in parallel. 0.5 A in parallel with 50 Ω. none of these. 2 A with 50 Ω in series. 2 A with 50 Ω in parallel. 0.5 A in parallel with 50 Ω. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits What is the reactive power in AC operation? Real power × sinθ. Apparent power × sinθ. Apparent power × cosθ. Real power × cosθ. Real power × sinθ. Apparent power × sinθ. Apparent power × cosθ. Real power × cosθ. ANSWER DOWNLOAD EXAMIANS APP
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