Which quantity should be measured by the voltmeter ? Power Voltage Speed Current TRUE ANSWER : ? YOUR ANSWER : ?
What is referred as the average value in AC opearation? Average of all values of the (+)ve and (-)ve half. Average of all values of an alternating quantity over a complete cycle. Average of all values of an alternating quantity. Average of all values of the phase sequences. TRUE ANSWER : ? YOUR ANSWER : ?
The time required for a pulse to change from 10 % to 90 % of its maximum value is known as rise time. fall time. decay time. run time. TRUE ANSWER : ? YOUR ANSWER : ?
Purpose of using capacitor is / are increase p.f of inductive load circuit. effect DC filter in electronic circuit. to do phase split in AC 1 phase motor. all of these. TRUE ANSWER : ? YOUR ANSWER : ?
For ideal tank circuit what is the value of dynamic impedance? None of these ∞ 0 Both TRUE ANSWER : ? YOUR ANSWER : ?
To obtain wide bandwidth, network is designed with which of the following? Low Q factor Unity Q factor High Q factor Zero Q factor TRUE ANSWER : ? YOUR ANSWER : ?
The mass of a proton is 1.602 × 10 - 19 Kg. 1.675 × 10 - 27 Kg. 1.672 × 10 - 27 Kg. 1.609 × 10 - 31 Kg. TRUE ANSWER : ? YOUR ANSWER : ?
Power factor can be defined as both option B and C. cosine of angle between voltage and current. sine of voltage and current. ratio of resistance versus impedance. TRUE ANSWER : ? YOUR ANSWER : ?