Question
What is power? Derive P = VI. (NCERT Class 10)
Answer: Power is rate of doing work/using energy. Work in moving charge Q through potential V is W=VQ. Power P=W/t=VQ/t. Since I=Q/t, P=VI.
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Question
Answer: Power is rate of doing work/using energy. Work in moving charge Q through potential V is W=VQ. Power P=W/t=VQ/t. Since I=Q/t, P=VI.
Question
Answer: Power is rate of doing work/using energy. Work in moving charge Q through potential V is W=VQ. Power P=W/t=VQ/t. Since I=Q/t, P=VI.