ICSE Class 10 Physics 2020 Solved Paper

Question : 50 of 67

Marks: +1, -0

Calculate the current drawn by an appliance rated

110 {\W}, 220 {\V}

when connected across

220 {\V}

supply.

Solution:

Given:

{\P}=110 {\W}, {\V}=220 {\V}, {\I}=

?
We know,

\;\; P=V I

∴ \;\; {\I}=\;{P}/{V}=\;{110}/{220}=\;{1}/{2}=0.5 {\A}

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