Electric Circuits The resistivity of semi-conductors at room temperatures is 1000 to 1500 ohm - cm. 1.6 × 106 to 100 × 106 ohm - cm. 109 to 1012 ohm - cm. 0.01 to 50 ohm - cm. 1000 to 1500 ohm - cm. 1.6 × 106 to 100 × 106 ohm - cm. 109 to 1012 ohm - cm. 0.01 to 50 ohm - cm. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Five capacitors each of 5 µF are connected in series, the equivalent capacitance of the system will be 25 µF 5 µF 10 µF 1 µF 25 µF 5 µF 10 µF 1 µF ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A wire of resistance R has it length and cross - section both doubled. Its resistance will become 4R. R. 2R. 0.5R. 4R. R. 2R. 0.5R. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Which of the following is applicable for both linear and non-linear circuits? Norton’s theorem. Thevnin’s theorem. None of these . Superposition theorem. Norton’s theorem. Thevnin’s theorem. None of these . Superposition theorem. 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+? dielectric losses decreases. dielectric losses increases. short circuit. open circuit. dielectric losses decreases. dielectric losses increases. short circuit. open circuit. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A capacitor has a capacitance of 6 μF. Calculate the stored energy in it if a DC voltage of 100 V, is applied across it? 3 × 102 joules. 2.5 × 102 joules. 6 × 102 joules. 4 × 102 joules. 3 × 102 joules. 2.5 × 102 joules. 6 × 102 joules. 4 × 102 joules. ANSWER DOWNLOAD EXAMIANS APP
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