A. more than the normal speed
B. loss than the normal speed
C. normal speed
D. zero
✅ The correct answer is option C.
Electrical Engineering MCQs
According to Fleming’s right-hand rule for finding the direction of induced e.m.f., when middle finger points in the direction of induced e.m.f., forefinger will point in the direction of____________?
A. motion of conductor
B. lines of force
C. either of the above
D. none of the above
✅ The correct answer is option B.
In the cables, the location of fault is usually found out by comparing____________?
A. the resistance of the conductor
B. the inductance of conductors
C. the capacitances of insulated conductors
D. all above parameters
✅ The correct answer is option C.
If/, R and t are the current, resistance and time respectively, then according to Joule’s law heat produced will be proportional to_______________?
A. I2Rt
B. I2Rf
C. I2R2t
D. I2R2t*
✅ The correct answer is option A.
In case of a double cage induction motor, the inner cage has__________?
A. high inductance arid low resistance
B. low inductance and high resistance
C. low inductance and low resistance
D. high inductance and high resistance
✅ The correct answer is option A.
When SCR is OFF, the current in the circuit is ________________?
A. Exactly zero
B. Small leakage current
C. Large leakage current
D. None of the above
✅ The correct answer is option B.
Capacitor does not allow the sudden change of ?
A. current
B. voltage
C. power
D. None of the above
✅ The correct answer is option B.
The surge resistance of cable is__________?
A. 5 ohms
B. 20 ohms
C. 50 ohms
D. 100 ohms
✅ The correct answer is option C.
In a parallel LC circuit, if the input signal frequency is increased above resonant frequency then _______________?
A. XL increases and XC decreases
B. XL decreases and XC increases
C. Both XL and XC increase
D. Both XL and XC decrease
✅ The correct answer is option A.
To get the speed of D.C, motor below the normal without wastage of electrical energy is used?
A. Ward Leonard control
B. rheostatic control
C. any of the above method
D. none of the above method
✅ The correct answer is option A.