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.Management Sciences
Category: Electrical Engineering Mcqs
Over voltage protection is recommended for______________?
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A. hydro-electric generators
B. steam turbine generators
C. gas turbine generators
D. all of the above
E. none of the above
Copper brushes in D.C. machine are used_____________?
A. where low voltage and high currents are involved
B. where high voltage and small cur-rents are involved
C. in both of the above cases
D. in none of the above cases
Which of the following is not a source of power?
A. Thermocouple
B. Photovoltaic cell
C. Solar cell
D. Photoelectric cell
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