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 R Ω 2R Ω 8R Ω 4R Ω R Ω 2R Ω 8R Ω 4R Ω ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits R1 = 36 Ω and R2 = 75 Ω, each having tolerance of ±5% are connected in series. The value of resultant resistance is 111 ± 2.77 Ω. 111 ± 7.23 Ω. 111 ± 5.55 Ω. 111 ± 0 Ω. 111 ± 2.77 Ω. 111 ± 7.23 Ω. 111 ± 5.55 Ω. 111 ± 0 Ω. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The coils having self inductor of 10 mH and 15 mH have an effective inductor of 40 mH, when connected in series aiding. What will be the equivalent inductor if we connect them in series opposing 0 mH. 10 mH. 20 mH. 5 mH. 0 mH. 10 mH. 20 mH. 5 mH. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Capacitor does not allow the sudden change of current voltage None of these power current voltage None of these power ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits What is called the instantaneous value of an alternating current? The value of peak quantity at any instant. The value of peak current at any instant. The value of alternating frequency at any instant. The value of alternating quantity at any instant. The value of peak quantity at any instant. The value of peak current at any instant. The value of alternating frequency at any instant. The value of alternating quantity at any instant. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Which of the following has positive temperature coefficient ? Rubber. Germanium. Paper. Gold. Rubber. Germanium. Paper. Gold. ANSWER DOWNLOAD EXAMIANS APP