Electric Circuits Efficiency of electrical machines should be calculated by measuring losses. losses and output. losses and input. output and input. losses. losses and output. losses and input. output and input. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A 3Ω resistor having 2A current will dissipate the power of 12 W. 2 W. 8 W. 4 W. 12 W. 2 W. 8 W. 4 W. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Which of the following is not equivalent to watts? Joules per second. Amperes/volt. Ampere2 – Ohm. Ampere-volts. Joules per second. Amperes/volt. Ampere2 – Ohm. Ampere-volts. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits In a lead acid cell, hydrogen is liberated at none of the plates. positive plate. both plates. negative plate. none of the plates. positive plate. both plates. negative plate. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits In a capacitor, the electrical energy is stored in magnetic field. both ‘electric field’ and magnetic field’. electric field. none of above. magnetic field. both ‘electric field’ and magnetic field’. electric field. none of above. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A network contains linear resistors and ideal voltage sources. If values of all the resistors are doubled, then voltage across each resistor is increase by two times. doubled. halved. remain same. increase by two times. doubled. halved. remain same. ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS