Electric Circuits A parallel plate capacitor has a capacitance of C farad. It area of the plates is doubled and the distance between them is half, the capacitance of the capacitor is C Farad. 2C Farad. 4C Farad. 16C Farad. C Farad. 2C Farad. 4C Farad. 16C Farad. ANSWER DOWNLOAD EXAMIANS APP
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+? short circuit. open circuit. dielectric losses decreases. dielectric losses increases. short circuit. open circuit. dielectric losses decreases. dielectric losses increases. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The greater the internal resistance of a cell the lesser the terminal voltage. the greater the emf. the greater the terminal voltage. the lesser the emf. the lesser the terminal voltage. the greater the emf. the greater the terminal voltage. the lesser the emf. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A constant voltage source has low internal resistance. high internal resistance. minimum efficiency. minimum current capacity. low internal resistance. high internal resistance. minimum efficiency. minimum current capacity. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Four resistances 80 Ohm, 50 Ohm, 25 Ohm and R are connected in parallel. Current through 25 Ohm resistance is 4A. Total current of supply is 10A. The value of R will be 36.36. 40.25. 66.66. 76.66. 36.36. 40.25. 66.66. 76.66. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Consider the following circuit : Switch is closed at t = 0 Find i(0 +) V/R. (V*L) / (R*C) V / {R + (sL + 1 / Cs)}. 0. V/R. (V*L) / (R*C) V / {R + (sL + 1 / Cs)}. 0. ANSWER DOWNLOAD EXAMIANS APP
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