Top 250+ Solved Electrical and Electronics Engineering MCQ Questions Answer

a. v = eb + iara

b. eb = v + iara

c. v = eb/iara

d. v = eb + ia2ra

a. series motor

b. shunt motor

c. cumulatively compound motor

d. all of the above

a. field\s test

b. retardation test

c. hopkinson\s test

d. swinburn\s test

a. lathes

b. cranes and hoists

c. shears and punches

d. machine tools

a. decrease the speed

b. increase the speed

c. better commutation

d. increase the back emf

a. series

b. shunt

c. cumulative compound

d. differential compound

a. 8

b. 4

c. 2

d. 1

a. its flux per pole

b. resistance of armature circuit

c. applied voltage

d. all of the above

a. at no load, it will rotate at dangerously high speed.

b. it will fail to start.

c. it will not develop high starting torque.

d. all are true.

a. stationary w.r.t. armature.

b. rotating w.r.t. field.

c. stationary w.r.t. field.

d. rotating w.r.t. brushes.

a. brushes

b. commutator

c. end-plates

d. both a and b

a. often exceeds the supply voltage

b. aids the applied voltage

c. helps in energy conversion

d. regulates its armature voltage

a. efficiency

b. speed regulation

c. starting torque

d. running torque

a. sinusoidal

b. trapezoidal

c. rectangular

d. alternating

a. reduced

b. reversed

c. increased

d. modified