Electric Circuits The energy stored by a capacitor is given by Q2 / 2C. 1/2 QV. 1/2 CV2. all of them. Q2 / 2C. 1/2 QV. 1/2 CV2. all of them. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits For ideal tank circuit what is the value of dynamic impedance? 0 ∞ None of these Both 0 ∞ None of these Both ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A capacitor of 50 microfarad is connected in series with a resistance of 120 Ω. If above circuit is connected across 240 V, 50 Hz 1 - φ supply. Find the capacitive reactance? 135.86 Ω. 0.015 Ω. 1.765 Ω. 63.7 Ω. 135.86 Ω. 0.015 Ω. 1.765 Ω. 63.7 Ω. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The switch S is the circuit shown in figure is ideal. If the switch is repeatedly closed for 1 ms and opened for 1 ms, the average value of i(t) is 1 mA. 0.25 mA. 0.5 mA. 0.35 mA. 1 mA. 0.25 mA. 0.5 mA. 0.35 mA. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The power dissipated in a pure capacitor is proportional to applied voltage. proportional to the value of capacitance. both (B) and (C) above. zero. proportional to applied voltage. proportional to the value of capacitance. both (B) and (C) above. zero. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Which of the following carbon coded resistor has value of 10k ohm with 20% tolerance? Brown, black, orange and no tolerance band. Yellow, violet, yellow and silver stripes. Red, red, green and silver stripes. Orange, orange, black and gold stripes. Brown, black, orange and no tolerance band. Yellow, violet, yellow and silver stripes. Red, red, green and silver stripes. Orange, orange, black and gold stripes. ANSWER DOWNLOAD EXAMIANS APP
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