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Electrical engineering Practice Questions & Answers

0 vote

For both lap and wave windings, there are as many commutator bars as the number of

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For both lap and wave windings, there are as many commutator bars as the number of

A).  Slots

B).  Armature conductors

C).  Winding elements

D).  Poles

14 vote

A shunt generator running at 1000 r.p.m. has generated e.m.f. as 200 V. If the speed increases to 1200 r.p.m., the generated e.m.f. will be nearly

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A shunt generator running at 1000 r.p.m. has generated e.m.f. as 200 V. If the speed increases to 1200 r.p.m., the generated e.m.f. will be nearly

A).  150 V

B).  175 V

C).  240 V

D).  290 V

0 vote

technique is not applicable to nonlinear system ?

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technique is not applicable to nonlinear system ?

A).  Nyquist Criterion

B).  Quasi linearization

C).  Functional analysis

D).  Phase-plane representation

0 vote

In a control system the output of the controller is given to

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In a control system the output of the controller is given to

A).  Final control element

B).  Amplifier

C).  Comparator

D).  Sensor

0 vote

An amplidyne can give which of the following characteristics ?

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An amplidyne can give which of the following characteristics ?

A).  Constant current

B).  Constant voltage

C).  Constant current as well as constant voltage

D).  Constant current, constant voltage and constant power

E).  None of the above