Electric Circuits In a delta network each element has value R. The value of each element in equivalent star network will be R / 2. R / 4. R / 6. R / 3. R / 2. R / 4. R / 6. R / 3. 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 8R Ω R Ω 4R Ω 2R Ω 8R Ω R Ω 4R Ω 2R Ω ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits In which braking back emf exceeds supply voltage? Plugging. Regenerative. None of these. Dynamic. Plugging. Regenerative. None of these. Dynamic. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The efficiency in case of maximum power transfer theorem is less than 50 %. 50 % - 100 %. 50 %. 100 %. less than 50 %. 50 % - 100 %. 50 %. 100 %. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Which of the following may be the value of resistivity of copper at absolute zero in ohm-metre? 6.24. 3.12. 1.56. 0.020. 6.24. 3.12. 1.56. 0.020. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Which of following capacitors has relatively shorter shelf life? both (B) and (C) above. Glass. Paper. Electrolytic. both (B) and (C) above. Glass. Paper. Electrolytic. ANSWER DOWNLOAD EXAMIANS APP
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