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The music system draws a current of 400 ...

The music system draws a current of 400 mA when connected to a 12 V battery.
What is the resistance of the music system ?

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Verified by Experts

`R = (V)/(I) implies R = (12)/(40 xx 10 ^(-3)) = 30 Omega`
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ICSE-SAMPLE QUESTION PAPER 5 -SECTION B
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