A) Alternator
(B) Transformer
(C) DC generator
(D) DC motor
Answer: (D) DC motor
Fleming’s left hand rule is applicable to DC motor.
Category: Electronics MCQs
An open loop system:
(A) Correct the disturbances acting on the system
(B) Must be altered manually to deal with the disturbance
(C) Respond well to incorrect system models
(D) Has a control K=1 in the close loop system
Answer: (B) Must be altered manually to deal with the disturbance
Sheath is used in the cables to:
(A) Avoid the chances of the rust on the strands
(B) Prevent the moisture from entering the cable
(C) Provide proper insulation
(D) Provide strength to the cable
Answer: (B) Prevent the moisture from entering the cable
Sheath is used in the cables to prevent the moisture from entering the cable.
If an input A is given to an inverter, the output will be:
(A) 1/A
(B) 1
(C) A’
(D) None of these
Answer: (C) A’
Which of the following plants has the highest capital cost?
(A) Thermal power plant
(B) Nuclear power plant
(C) Diesel power plant
(D) Hydro power plant
Answer: (B) Nuclear power plant
Nuclear power plant has the highest capital cost.