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 voltage across the 1kΩ resistor between the nodes A and B of the network shown in the given figure is -1 V. -2 V. 1 V. 2 V. TRUE ANSWER : ? YOUR ANSWER : ?
A 3 wire, 3 - φ supply feeds a load consisting of three equal resistors. By how much is the load reduced if one of the resistors be removed when the load is in star? 50 % of the original load. 33.33 % of the original load. 66.66 % of the original load. 25 % of the original load. TRUE ANSWER : ? YOUR ANSWER : ?
In balanced bridge, if the positions of detector and source are interchanged, the bridge will still remain balanced. This can be explained from which theoem Norton's theorem Compensation theorem Reciprocity theorem Thevinin's theorem TRUE ANSWER : ? YOUR ANSWER : ?
The electron is lighter than a proton by a factor of about 18400. 184. 1840. 18.4. TRUE ANSWER : ? YOUR ANSWER : ?
A 100 μF capacitor supplied from 3 V source with a frequency of 50 Hz. The capacitive reactance is 7.96 Ω. 31.84 Ω. 63.68 Ω. 15.92 Ω. TRUE ANSWER : ? YOUR ANSWER : ?
When we use super node technique All of these ideal voltage source is connected between two non reference nodes. ideal voltage source is connected between non reference node and reference. current source branch is common for two meshes. TRUE ANSWER : ? YOUR ANSWER : ?
Which part of magnetic path requires largest mmf? Coil. Core. Air gap. Inductance. TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following may be the value of resistivity of copper at absolute zero in ohm-metre? 6.24. 0.020. 1.56. 3.12. TRUE ANSWER : ? YOUR ANSWER : ?
The unit of electric field intensity is F/ m2. F / m. N / Ampere. N / C. TRUE ANSWER : ? YOUR ANSWER : ?