Electric Circuits Efficiency of electrical machines should be calculated by measuring losses and output. output and input. losses and input. losses. losses and output. output and input. losses and input. losses. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A parallel plate capacitor with air as dielectric, force between plate is F. If capacitor is now immersed water of dielectric εr, force between plate will be – F. εr/F. F εr. 0. F. εr/F. F εr. 0. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits For same voltage, the ratio resistance of 100 W lamp to resistance of 25 W lamp is 16. 4. 1. 1/4. 16. 4. 1. 1/4. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A two port network is defined by the relation The value of Z11 is 2. 2/11. -3. -2/11. 2. 2/11. -3. -2/11. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Which of the following ABCD parameters is unit less? A and B. B and C. A and D. A and C. A and B. B and C. A and D. A and C. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The capacitance of a conductor is varying from 2 microfarad to zero in 1 sec linearly if the voltage applied to it is 6 V the energy stored in 0.5 sec in the condenser is 20 µ joules. 18 µ joules. 10 µ joules. 55.1 µ joules. 20 µ joules. 18 µ joules. 10 µ joules. 55.1 µ joules. ANSWER DOWNLOAD EXAMIANS APP