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 8R Ω 4R Ω R Ω 2R Ω 8R Ω 4R Ω R Ω ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits What is the real power in AC operation? None of these. Both option A and B. Apperant power × cosφ. VIcosφ. None of these. Both option A and B. Apperant power × cosφ. VIcosφ. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Absolute permittivity of dielectric medium is represented as εrε0 εr ε0 εr/ε0 εrε0 εr ε0 εr/ε0 ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Which cell has the reversible chemical reaction? Mercury oxide. Carbon Zinc. Lead acid. Silver oxide. Mercury oxide. Carbon Zinc. Lead acid. Silver oxide. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits What is the dielectric material used in precision small value capacitor and capacitor used in radio frequency circuits? Oil impregnated paper. Glass. Titanium oxide. Vacuum, air. Oil impregnated paper. Glass. Titanium oxide. Vacuum, air. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The resistance of 100 W, 200 V lamp is 400 Ω. 1600 Ω. 800 Ω. 200 Ω. 400 Ω. 1600 Ω. 800 Ω. 200 Ω. ANSWER DOWNLOAD EXAMIANS APP