Electric Circuits The resistivity of semi-conductors at room temperatures is 1000 to 1500 ohm - cm. 0.01 to 50 ohm - cm. 109 to 1012 ohm - cm. 1.6 × 106 to 100 × 106 ohm - cm. 1000 to 1500 ohm - cm. 0.01 to 50 ohm - cm. 109 to 1012 ohm - cm. 1.6 × 106 to 100 × 106 ohm - cm. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits In the circuit shown in figure if I1 = 1.5 A, then I2 will be 0.5 A. 1 A. 2 A. 1.5 A. 0.5 A. 1 A. 2 A. 1.5 A. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The equation for 25 cycles current sine wave having rms value of 30 amps, will be 30sin50πt. 42.4sin50πt. 42.4sin25πt. 30sin25πt. 30sin50πt. 42.4sin50πt. 42.4sin25πt. 30sin25πt. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Which quantity consists of a unit 1KWh ? Charge Power Energy Time Charge Power Energy Time ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A 20 μF capacitor and 200 W, 220 V lamp is connected in series across a 220 V alternating supply. In which frequency of the supply the lamp will glow dimmest? 1 Hz. 100 Hz. 10 Hz. 1000 Hz. 1 Hz. 100 Hz. 10 Hz. 1000 Hz. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Electric field intensity ( E ) at any point in an electric field is equal to potential gradient. ( potential gradient )1/2. ( potential gradient )1/3. ( potential gradient )2. potential gradient. ( potential gradient )1/2. ( potential gradient )1/3. ( potential gradient )2. ANSWER DOWNLOAD EXAMIANS APP
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