Electric Circuits In RL series circuit R=2Ω and L=2mH. What is the value of time constant? 4msec 100sec 1msec 2msec 4msec 100sec 1msec 2msec ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Which of the followings is the expression for energy stored in a capacitor? C dv / dt. Cv. C / v. (1 / 2) Cv2. C dv / dt. Cv. C / v. (1 / 2) Cv2. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The resistivity of semi-conductors at room temperatures is 0.01 to 50 ohm - cm. 1000 to 1500 ohm - cm. 109 to 1012 ohm - cm. 1.6 × 106 to 100 × 106 ohm - cm. 0.01 to 50 ohm - cm. 1000 to 1500 ohm - cm. 109 to 1012 ohm - cm. 1.6 × 106 to 100 × 106 ohm - cm. 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 4R Ω R Ω 2R Ω 8R Ω 4R Ω R Ω 2R Ω 8R Ω ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Mica capacitor are characterised by all of following except low losses. accurate value. stable operation. low leakage reactance. low losses. accurate value. stable operation. low leakage reactance. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits In direct arc furnace which of following is of high value? All of above. Voltage. Power factor. Current. All of above. Voltage. Power factor. Current. ANSWER DOWNLOAD EXAMIANS APP