Electric Circuits Current efficiency in electroplating is usually 50 to 60 %. 70 to 80 %. 99 %. 90 to 98 %. 50 to 60 %. 70 to 80 %. 99 %. 90 to 98 %. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The value of V in the circuit shown in the given figure is 4 V. 3 V. 2 V. 5 V. 4 V. 3 V. 2 V. 5 V. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The efficiency in case of maximum power transfer theorem is less than 50 %. 100 %. 50 % - 100 %. 50 %. less than 50 %. 100 %. 50 % - 100 %. 50 %. 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 R Ω 8R Ω 2R Ω 4R Ω R Ω 8R Ω 2R Ω 4R Ω ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The energy required to charge a 10 μF capacitor to 100 V is 0.05 J. 5 × 10-9 J. 10 × 10-9 J. 0.01 J. 0.05 J. 5 × 10-9 J. 10 × 10-9 J. 0.01 J. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits If two point charges are denoted by + Q and - Q and distance between this charges is d, then the dipole moment P equal to Q / d2. Q2 / d. Q × d. Q2 × d. Q / d2. Q2 / d. Q × d. Q2 × d. ANSWER DOWNLOAD EXAMIANS APP
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