A paper capacitor is usually available in form of tubes. meshed plates. rolled foil. disc. TRUE ANSWER : ? YOUR ANSWER : ?
If the measured value of a capacitor is 205.3µF and true value is 201.4µF the percentage relative error is 39.00% 1.89% 1.94% 25.64% TRUE ANSWER : ? YOUR ANSWER : ?
A 2m long conductor, carries a current of 50 A at a magnetic field of 100 × 10 − 3 T. The force on the conductor is 10 N. 1000 N. 100 N. 10000 N. TRUE ANSWER : ? YOUR ANSWER : ?
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 – 0. F. εr/F. F εr. TRUE ANSWER : ? YOUR ANSWER : ?
Types of rotating machines IM. both B and C. synchronous machine. transformer. TRUE ANSWER : ? YOUR ANSWER : ?
A piece of copper and another piece of germanium are cooled from room temperature to 80K. The resistance of each of them decreases. each of them increases. copper decreases and germanium increases. copper increases and germanium decreases. TRUE ANSWER : ? YOUR ANSWER : ?
Two point charges of 4μC are placed at a distance of 3 cm apart from each other in free space. Force acting on two charges will be 0.02 N 160 N 400 N 100 N TRUE ANSWER : ? YOUR ANSWER : ?
Internal heating of a capacitor is usually attributed to plate vibration. dielectric charge. electron movement. leakage resistance. TRUE ANSWER : ? YOUR ANSWER : ?
Coating generally recommended for hard surfacing is chromium plating. None of these lead plating. copper plating. TRUE ANSWER : ? YOUR ANSWER : ?
Given network is having N nodes and B branches, then number of twigs are N - 1. N. B - N - 1. B - N + 1. TRUE ANSWER : ? YOUR ANSWER : ?