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Physics GK · Q173

Electricity and Magnetism

Competitive Exams · Physics GK · question 173

Q173

Some pairs of devices and associated energy changes are given below. 1. Electric generator ⟺ Mechanical to electrical 2. Electric motor ⟺ Electrical to mechanical 3. Diesel engine ⟺ Light to electrical 4. Solar cell ⟺ Chemical to mechanical Which of the above pair/s is/are correctly matched?

A.
Only 1 and 2
Answer
B.
Only 1 and 3
C.
Only 2 and 4
D.
Only 3 and 4

Answer: Option A

Solution

Answer: Option A
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