Why Is There a Negative Sign When Calculating Power with P=IV?

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taalha
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i want to calculate the power supplied or absorbed by a source whose voltageis 24V and current is of 4A in the circuit. i used formula
P=IV ... but their is a negative sign with current ... please tell me why is it so ? Thanks
 
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taalha said:
i want to calculate the power supplied or absorbed by a source whose voltageis 24V and current is of 4A in the circuit. i used formula
P=IV ... but their is a negative sign with current ... please tell y is it so ? Thanks


Why does 4 * 24 give you a negative sign?