SJVN-Ltd Electrical-Engineering-EE Contributed by Dhisha updated on Jun 2020
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Electrical Engineering Questions for practice

 

1.  Two 100-W, 200-V lamps are connected in series across a 200-V supply. The total power consumed by each lam will be _____ watts.

(a) 200

(b) 100

(c) 50

(d) 25  (Ans)

 

2. Kirchhoff’s voltage law is nt valid for a non-linear network.

(a) True

(b) False   (Ans)

 

3. The material used for fuse must have

(a) low melting point and low specific resistance

(b) high melting point and low specific resistance

(c) low melting point and high specific resistance  (Ans)

(d) none of these

 

4. If a piece of metal wire is stretched, its resistance will increase.

(a) True   (Ans)

(b) False

 

5. The usual value of the surge impedance of a telephone line is ____ ohm.

(a) 75  (Ans)

(b) 600

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