|
If an ac voltage wave is corrupted with an arbitrary number of harmonics, then the ___
|
|
1
|
1282
|
August 29, 2022
|
|
Poor power factor results in all of the following ___
|
|
0
|
431
|
September 6, 2021
|
|
The dual of a loop is ___
|
|
0
|
184
|
September 6, 2021
|
|
Higher the Q of a series circuit ___
|
|
0
|
394
|
September 6, 2021
|
|
When an alternating current passes through an ohmic resistance the ___
|
|
0
|
150
|
September 6, 2021
|
|
For the full wave rectified sine wave the r.m.s. value is ___
|
|
0
|
248
|
September 6, 2021
|
|
In A.C. circuit laminated iron is invariably used in ___
|
|
0
|
178
|
September 6, 2021
|
|
In a circuit containing R, L and C, power loss can ___
|
|
0
|
222
|
September 6, 2021
|
|
All the rules and laws of D.C. circuit also supply to A.C. circuit containing ___
|
|
0
|
222
|
September 6, 2021
|
|
How much r.m.s. current does a 300 W. 200V bulb take from the 200 V, 50 Hz power line?
|
|
0
|
447
|
September 6, 2021
|
|
The r.m.s. value and mean value is the same in the case of ___
|
|
0
|
364
|
September 6, 2021
|
|
The capacitors for power factor correction are rated in terms of ___
|
|
0
|
186
|
September 6, 2021
|
|
Two sinusoidal quantities are said to be phase quadrature, when ___
|
|
0
|
288
|
September 6, 2021
|
|
A coil with large distributed capacitance has a ___
|
|
0
|
508
|
September 6, 2021
|
|
A resonance curve for a series circuit is a plot of ___
|
|
0
|
208
|
September 6, 2021
|
|
The unit of frequency of an A.C. signal is ___
|
|
0
|
147
|
September 6, 2021
|
|
In an A.C. circuit, a low value of kVAR compared with ___
|
|
0
|
218
|
September 6, 2021
|
|
In a pure resistive circuit ___
|
|
0
|
301
|
September 6, 2021
|
|
Inductance affects the direct current flow ___
|
|
0
|
181
|
September 6, 2021
|
|
A sine wave of voltage varies from zero to ___
|
|
0
|
342
|
September 6, 2021
|
|
The power consumed in a circuit element will be least when the phase difference between ___
|
|
0
|
176
|
September 6, 2021
|
|
The form factor is the ratio of ___
|
|
0
|
306
|
September 6, 2021
|
|
Which of the following is not a non-linear element?
|
|
0
|
274
|
September 6, 2021
|
|
The product of apparent power and cosine of the phase angle between ___
|
|
0
|
194
|
September 6, 2021
|
|
The power is measured in terms of decibles in case of ___
|
|
0
|
133
|
September 6, 2021
|
|
The safest value of current the human body can carry for ___
|
|
0
|
164
|
September 6, 2021
|
|
The power factor at resonance in RLC parallel circuit is ___
|
|
0
|
225
|
September 6, 2021
|
|
For 200 V r.m.s. value triangular wave, the peak voltage will be ___
|
|
0
|
338
|
September 6, 2021
|
|
Two waves of the same frequency have opposite phase when the ___
|
|
0
|
347
|
September 6, 2021
|
|
A network is said to be non-linear if ___
|
|
0
|
218
|
September 6, 2021
|