a) which one of two electric appliances, rated 100W-200V and 60W - 200V, would have a higher resistance?
b) What will be the current through them when they are connected across 220V supply?
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Answer:
Explanation:
a)The appliance with 60W -200v would have higher resistance
b)if they are connected in series then
Current=220v/resistance
Resistence=(220v)²/60w+(220v)²/100w
(220v)²/600w*(16w)
0.17045..amps approx
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