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Download Android app Notifications, Preparation Portal Here >> RecruitmentIndia Android APP Rectifiers are used to convert
low voltage to high voltage
high voltage to low voltage
Alternating current to Direct current
Direct current to Alternating current
Answer with explanation
Answer: Option CExplanation
Alternating current to Direct current
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Which one of the following statements regarding a thermos flask is not correct?
The walls of the flask are separated by vacuum and made of glass which is a poor conductor of heat
The glass walls themselves have shiny surfaces
The surface of inner wall radiates a good amount of heat and the surface of the outer wall absorbs some of the heat that is radiated from the inner wall
The cork supports are poor conductors of heat
Answer with explanation
Answer: Option CExplanation
The surface of inner wall radiates a good amount of heat and the surface of the outer wall absorbs some of the heat that is radiated from the inner wall
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