Statement A : An engine A can perform a given work in 1 hr and engine B can perform the same work in 1/2 hr. then B has greater power than A. Statement B : Power is the dot product of force and velocity Note: Both engine has equal efficiency.
A
A & B is correct
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B
A & B are wrong
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C
A is correct and B is wrong
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D
A is wrong & B is correct
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Solution
The correct option is A A & B is correct p=ΔWt As work-done by both engine is same power is inversely proportional to the time. so less the time more is the power.