Electric Circuits A capacitor is connected to supply with switch and the switch is connected between capacitor and supply. Initially switch is open at time zero, and then switch is closed. Then how capacitor behaves at time t = 0+? open circuit. short circuit. dielectric losses decreases. dielectric losses increases. open circuit. short circuit. dielectric losses decreases. dielectric losses increases. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Capacitor does not allow the sudden change of current voltage None of these power current voltage None of these power ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Two wires of A and B of the same material and length ‘l’ and ‘2l’ have radius ‘r’ and ‘2r’ respectively. The ratio of their specific resistance will be 4:1. 1:1. 1:2. 1:8. 4:1. 1:1. 1:2. 1:8. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A voltage source having an open circuit voltage of 100 V and internal resistance of 50 Ω is equivalent to a current source 0.5 A in parallel with 50 Ω. 2 A with 50 Ω in parallel. none of these. 2 A with 50 Ω in series. 0.5 A in parallel with 50 Ω. 2 A with 50 Ω in parallel. none of these. 2 A with 50 Ω in series. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The value of unity impulse function at time (t) = 0 is infinite. 0. 1. indeterminate. infinite. 0. 1. indeterminate. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The electron is lighter than a proton by a factor of about 1840. 184. 18.4. 18400. 1840. 184. 18.4. 18400. ANSWER DOWNLOAD EXAMIANS APP
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