Electric Circuits A 50 μF capacitor is charged to retain 10 MJ of energy by a constant charging current of 1 A. Determine the voltages across the capacitor? 20 V. 30 V. 50 V. 60 V. 20 V. 30 V. 50 V. 60 V. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A motor having a power factor of 0.8 absorbs in active power of 1200 W the reactive power drawn from the supply is _________ VA. 130 900 250 400 130 900 250 400 ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Efficiency of electrical machines should be calculated by measuring losses and output. output and input. losses. losses and input. losses and output. output and input. losses. losses and input. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Which of the following theorems can be applied to any network- linear or nonlinear, active or passive, time variant or time invariant? Norton Theorem. Thevnin theorem. Millman theorem. Tellegen theorem. Norton Theorem. Thevnin theorem. Millman theorem. Tellegen theorem. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Energy efficiency during electroplating is usually in the range 80 to 85%. 50 to 80%. 85 to 90%. 90 to 99%. 80 to 85%. 50 to 80%. 85 to 90%. 90 to 99%. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Electric field intensity ( E ) at any point in an electric field is equal to potential gradient. ( potential gradient )1/2. ( potential gradient )1/3. ( potential gradient )2. potential gradient. ( potential gradient )1/2. ( potential gradient )1/3. ( potential gradient )2. ANSWER DOWNLOAD EXAMIANS APP
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