Electric Circuits The resistivity of semi-conductors at room temperatures is 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. 1000 to 1500 ohm - cm. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The resistance of 100 W, 200 V lamp is 1600 Ω. 800 Ω. 400 Ω. 200 Ω. 1600 Ω. 800 Ω. 400 Ω. 200 Ω. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The resistance of a conductor of diameter d and length l is R Ω. If the diameter of the conductor is halved and its length is doubled, the resistance will be 2R Ω 4R Ω 8R Ω R Ω 2R Ω 4R Ω 8R Ω R Ω ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits In a capacitor, the electrical energy is stored in magnetic field. both ‘electric field’ and magnetic field’. electric field. none of above. magnetic field. both ‘electric field’ and magnetic field’. electric field. none of above. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The value of current I flowing in the 1 Ω resistor in the circuit shown in the given figure will be 5 A. 0 A. 10 A. 6 A. 5 A. 0 A. 10 A. 6 A. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Fall time is the time required for a pulse to decrease from 90 to ________% if its maximum values 5 20 15 10 5 20 15 10 ANSWER DOWNLOAD EXAMIANS APP