Electric Circuits A series circuit consists of R = 20 Ω, L = 20 mH, and AC supply 60 V with f = 100 Hz. The voltage drop across R is 24.4 V . 50.8 V. 40.8 V. 30.6 V. 24.4 V . 50.8 V. 40.8 V. 30.6 V. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits In a series resonant circuit impedance is minimum. zero. maximum. none of these. minimum. zero. maximum. none of these. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Absolute permittivity of dielectric medium is represented as εr/ε0 ε0 εr εrε0 εr/ε0 ε0 εr εrε0 ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A current of 4 A flows in an ac circuit when 100 V dc is applied to it whereas it takes 250 v ac to produce the same current the power factor of the circuit is 0.4. 1. 10. 0.85. 0.4. 1. 10. 0.85. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits If the sheet of a backelite is inserted between the plates of an air capacitor, the capacitance will becomes zero. remains unchanged. increase. decrease. becomes zero. remains unchanged. increase. decrease. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits What will be the capacitance when distance between the 2 plates of a condenser of capacitance 8 micro farad is reduced from 10 mm to 4 mm? 3.2 microfarad. 20 microfarad. 1 microfarad. 8 microfarad. 3.2 microfarad. 20 microfarad. 1 microfarad. 8 microfarad. ANSWER DOWNLOAD EXAMIANS APP
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