Top Electrical Engg MCQ - 500+ MCQ
241
Insulator that is used in low voltage distribution lines is known as ____.
242
Field weakening control method is used for the
243
What will be the magnitude of induced EMF (in V) in a coil that has 200 square loops, each of side 5 cm and placed normal to a magnetic field? The magnetic field increases at the rate of 4 Weber per sq. meter.
244
In a PID controller, the integral (I) control action is specifically used to:
245
A capacitor-start capacitor-run single-phase induction motor features:
246
The range of efficiency for shaded pole motors is
247
Kirchhoff's Current Law (KCL) is based on the principle of conservation of:
248
Therefore, I_rms = 0.707 I_p. Determine the average value of alternating voltage (in V) when the peak value of the voltage is 120 V.
249
Prevention of interference with neighbouring telephone lines can be done by-
250
At absolute zero, an intrinsic semiconductor
251
The factor on which earth resistance value depends on
252
The working principle of transformer depends on
253
Under operational conditions, the secondary winding of a Current Transformer (CT) should never be:
254
In a Junction Field Effect Transistor (JFET), the output drain current is controlled by the:
255
Calculate the time (in seconds) taken by a series RL circuit having inductance of 0.6 H and resistance of 30 Ohms to reach a steady state value.
256
What will be the value of the unknown inductance Lₓ (in mH) and the effective resistance Rₓ (in Ω) respectively for the circuit given below, when no current flows through the galvanometer (G)?
257
The lowest point on the V-curve of a synchronous motor corresponds to operation at:
258
What will the peak value of alternating voltage (in V) when the average value of the voltage is 140 V?
259
What will be the average value of the voltage (in V), if a sinusoidal alternating current of 15 A is flowing across a resistance of 25 ohms?
260
During plugging, external resistance is also introduced into a circuit to limit the flowing ____.