ICSE Class 10 Physics 2013 Solved Paper

Question : 63 of 70

Marks: +1, -0

Calculate the power dissipated in the

3 Ω

resistor.

Solution:

{\P}\;= {\V} . {\I} .

\;= {\I}^2 {\R}

\;=(0.5)^2 × 3=0.25 × 3

{\P}\;=0.75 \;\text " watt. "\;

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