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. εr/F. TRUE ANSWER : ? YOUR ANSWER : ?
The value of supply voltage for 400 W, 4 Ω load is 40 V. 200 V. 400 V. 20 V. TRUE ANSWER : ? YOUR ANSWER : ?
The maximum power that can be transferred to the load resistor R from the voltage source in the figure is 9/8 W. 6/8W. 1 W. 7.5 W. TRUE ANSWER : ? YOUR ANSWER : ?
Which of following is not a vector? Electric field. Electric potential. Angular momentum. Linear momentum. TRUE ANSWER : ? YOUR ANSWER : ?
The value of specific gravity of acid when a lead acid battery is fully charged is 2.9585. 2.585. 2.185. 1.285. TRUE ANSWER : ? YOUR ANSWER : ?
Discrete values represent which type of signal Discretal Decimal Analog Digital TRUE ANSWER : ? YOUR ANSWER : ?
A branch of a network is said to be passive when it contains voltmeter. voltage source. battery. current source. TRUE ANSWER : ? YOUR ANSWER : ?
A balanced three Phase Y-connected load has one phase voltage VB = 277∠45o V. The phase sequence is RYB. The line to line voltage VRY is 339∠- 45o V. 480∠45o V. 480∠ - 45o V. 339∠45o V. TRUE ANSWER : ? YOUR ANSWER : ?
In series RLC circuit to get Q>1, which of the following is required? XL < R XL = R XL > R All of these TRUE ANSWER : ? YOUR ANSWER : ?
In the circuit shown below if I = 2 A then find V? 3 V. 5 V. 1 V. 2 V. TRUE ANSWER : ? YOUR ANSWER : ?