SSC JE Electrical 2018 with solution SET-1
 Tellegen’s theorem is based on the principle of law of_______

Conservation of Mass
Conservation of Energy
Conservation of charge
Conservation of Velocity

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SSC JE Electrical 2018 with solution SET-1
Which one of the material is used to fix the screw on concrete wall and ceiling?

Saddles
Link clips
Rawl Plug
Bushings

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