Electric Circuits The energy required to charge a 10 μF capacitor to 100 V is 10 × 10-9 J. 5 × 10-9 J. 0.05 J. 0.01 J. 10 × 10-9 J. 5 × 10-9 J. 0.05 J. 0.01 J. ANSWER DOWNLOAD EXAMIANS APP
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? RYB. BYR. RBY. YBR. RYB. BYR. RBY. YBR. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A coil of negligible resistance has an induction of 100 mH. The current passing through the coil changes from 2 A to 4 A at a uniform rate in 0.1 sec the voltage across the coil during this time would be __________ V. 50 8 2 36 50 8 2 36 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 5.77. 4.71. 1.92. 2.36. 5.77. 4.71. 1.92. 2.36. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Which of following capacitors preferred for high frequency circuits? Glass capacitor. Mica capacitor. Air capacitor. Electrolytic capacitor. Glass capacitor. Mica capacitor. Air capacitor. Electrolytic capacitor. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Two resistors R1 and R2 give combined resistance of 4.5 Ohm when connected in series and 1 Ohm when in parallel, the resistances are 1.5 Ohm and 3 Ohm. 1.25 Ohm and 3.25 Ohm. 2 Ohm and 2.5 Ohm. 2.2 Ohm and 2.3 Ohm. 1.5 Ohm and 3 Ohm. 1.25 Ohm and 3.25 Ohm. 2 Ohm and 2.5 Ohm. 2.2 Ohm and 2.3 Ohm. ANSWER DOWNLOAD EXAMIANS APP
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