Electric Circuits The energy required to charge a 10 μF capacitor to 100 V is 0.05 J. 0.01 J. 5 × 10-9 J. 10 × 10-9 J. 0.05 J. 0.01 J. 5 × 10-9 J. 10 × 10-9 J. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits For the resonance circuit ω0 = 105, Q = 50, R = 400 Ω the value of C is 1000 pF. 500 pF. 250 pF. 125 pF. 1000 pF. 500 pF. 250 pF. 125 pF. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A parallel plate capacitor with air as dielectric, force between plate is F. If capacitor is now immersed water of dielectric εr, force between plate will be – F. εr/F. F εr. 0. F. εr/F. F εr. 0. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits If emf in a given circuit is given by e = 100 sinω0t, then maximum value of voltage and frequency will be 100 V, 50 Hz. 50√2 V, 100 Hz. 100 V, 100 Hz. 100√2 V, 100 Hz. 100 V, 50 Hz. 50√2 V, 100 Hz. 100 V, 100 Hz. 100√2 V, 100 Hz. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A parallel plate capacitor contain there dielectric layers of 1, 2 and 3 respectively and thickness of dielectric layers are 0.2 mm, 0.3 mm and 0.4 mm respectively. If area of plate is 20 cm2. What is the value of capacitance? 32 pF. None of them. 30 pF. 36.6 pF. 32 pF. None of them. 30 pF. 36.6 pF. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Reactive power drawn by a pure resistor is maximum 0 minimum None of these maximum 0 minimum None of these ANSWER DOWNLOAD EXAMIANS APP
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