A resistance of 40 ohm and one of 60 ohm are arranged In series across 220v supply . Find the heat in joules
produced by this combination of
resistance in half min
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What is the answer? ?
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Effective resistance = 40+60=100 ohm
Potential difference = 220v
H = (V/R )²Rt= (220/100)² x 30x 100
= 4.84 x 30x100
= 14520J
That is for power. The question asks heat in 30 sec.
thank you
You are wrong. Sorry.
Please edit the answer before they report.
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Hope this helps. thanks
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