|
If an ac voltage wave is corrupted with an arbitrary number of harmonics, then the ___
|
|
1
|
1212
|
August 29, 2022
|
|
Poor power factor results in all of the following ___
|
|
0
|
374
|
September 6, 2021
|
|
The dual of a loop is ___
|
|
0
|
158
|
September 6, 2021
|
|
Higher the Q of a series circuit ___
|
|
0
|
372
|
September 6, 2021
|
|
When an alternating current passes through an ohmic resistance the ___
|
|
0
|
131
|
September 6, 2021
|
|
For the full wave rectified sine wave the r.m.s. value is ___
|
|
0
|
215
|
September 6, 2021
|
|
In A.C. circuit laminated iron is invariably used in ___
|
|
0
|
153
|
September 6, 2021
|
|
In a circuit containing R, L and C, power loss can ___
|
|
0
|
189
|
September 6, 2021
|
|
All the rules and laws of D.C. circuit also supply to A.C. circuit containing ___
|
|
0
|
191
|
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
|
399
|
September 6, 2021
|
|
The r.m.s. value and mean value is the same in the case of ___
|
|
0
|
325
|
September 6, 2021
|
|
The capacitors for power factor correction are rated in terms of ___
|
|
0
|
160
|
September 6, 2021
|
|
Two sinusoidal quantities are said to be phase quadrature, when ___
|
|
0
|
247
|
September 6, 2021
|
|
A coil with large distributed capacitance has a ___
|
|
0
|
479
|
September 6, 2021
|
|
A resonance curve for a series circuit is a plot of ___
|
|
0
|
189
|
September 6, 2021
|
|
The unit of frequency of an A.C. signal is ___
|
|
0
|
129
|
September 6, 2021
|
|
In an A.C. circuit, a low value of kVAR compared with ___
|
|
0
|
197
|
September 6, 2021
|
|
In a pure resistive circuit ___
|
|
0
|
234
|
September 6, 2021
|
|
Inductance affects the direct current flow ___
|
|
0
|
165
|
September 6, 2021
|
|
A sine wave of voltage varies from zero to ___
|
|
0
|
310
|
September 6, 2021
|
|
The power consumed in a circuit element will be least when the phase difference between ___
|
|
0
|
157
|
September 6, 2021
|
|
The form factor is the ratio of ___
|
|
0
|
279
|
September 6, 2021
|
|
Which of the following is not a non-linear element?
|
|
0
|
241
|
September 6, 2021
|
|
The product of apparent power and cosine of the phase angle between ___
|
|
0
|
160
|
September 6, 2021
|
|
The power is measured in terms of decibles in case of ___
|
|
0
|
117
|
September 6, 2021
|
|
The safest value of current the human body can carry for ___
|
|
0
|
139
|
September 6, 2021
|
|
The power factor at resonance in RLC parallel circuit is ___
|
|
0
|
207
|
September 6, 2021
|
|
For 200 V r.m.s. value triangular wave, the peak voltage will be ___
|
|
0
|
273
|
September 6, 2021
|
|
Two waves of the same frequency have opposite phase when the ___
|
|
0
|
323
|
September 6, 2021
|
|
A network is said to be non-linear if ___
|
|
0
|
198
|
September 6, 2021
|