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ELECTRICAL ENGINEERING QUESTION ANSWERS

1. Which of the following is not a vector ?
(a) Linear momentum
(b) Electric potential
(c) Electric field
(d) Angular momentum

Answer: (d) Angular momentum

2. The efficiency of a machine should be as ______ as possible to reduce the operating
cost.
(a) high
(b) low
(c) either of the above
(d) none of the above


Answer:(a) high

3. The force between two charges is 120 N. If the distance between the charges is doubled,
the force will be
(a) 60 N
(b) 40 N

(c) 30 N
(d) 15 N

Answer: (c) 30 N

4. The action of electromagnetic machines can be related to which ofthe following basic
principles ?
(a) Induction
(b) Alignment
(c) Interaction
(d) All of the above

Answer: (d) All of the above


5. The units of capacitance are
(a) volts/coulomb
(b) henry/Wb
(c) ohms
(d) coulombs/volt

Answer: (d) coulombs/volt

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