Electric Circuits Phase voltages of a star connected alternator are ER = 240∠0o V, EY = 240∠-120o V and EB = 240∠ + 120o V. What is the phase sequence of the system? YBR. RBY. BYR. RYB. YBR. RBY. BYR. RYB. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits What is the relation between time period T and frequency? T = 0.85 / frequency. T = 0.5 / frequency. T = frequency. T = 1 / frequency. T = 0.85 / frequency. T = 0.5 / frequency. T = frequency. T = 1 / frequency. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Which of following is the unit of magnetic flux density? Weber. Daraf. Lumens. Tesla. Weber. Daraf. Lumens. Tesla. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Four resistances 80 Ohm, 50 Ohm, 25 Ohm and R are connected in parallel. Current through 25 Ohm resistance is 4A. Total current of supply is 10A. The value of R will be 36.36. 40.25. 76.66. 66.66. 36.36. 40.25. 76.66. 66.66. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Which of the following may be value of resistivity of copper? 1.7 X 10 - 5. 1.7 X 10 - 3. 1.7 X 10 - 6. 1.7 X 10 - 4. 1.7 X 10 - 5. 1.7 X 10 - 3. 1.7 X 10 - 6. 1.7 X 10 - 4. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits What is the frequency of domestic power in India? 50 Hz. 70 Hz. 220 Hz. 60 Hz. 50 Hz. 70 Hz. 220 Hz. 60 Hz. ANSWER DOWNLOAD EXAMIANS APP
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