RRB Group D 17-Sep-2018 Shift 2 Solved Paper

Question : 55 of 100

Marks: +1, -0

A person does some work of 1,000 J in 2s. His power will b e ____ .

Solution:

\;\text " Work "\;=1000 {J}, \;\text " Time "\;=2 {sec}

\;\text " Power "\;=\;\text " Work / Time "\;

\;\; =1000 \/ 2

\;\; =500 {W}

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