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The Resistance of 100 W (220 V) Bulb is Greater than that of 60 W (220 V) Bulb. is It True Or False? - Physics

Numerical
The resistance of 100 W (220 V) bulb is greater than that of 60 W (220 V) bulb. Is it true or false?
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Solution

We know that, R = `"V"^2/"P"`

Thus, voltage remaining constant, resistance is inversely proportional to the power of the appliance; which means resistance of 60 W (220V) bulb is greater.
Hence, the given statement is false.

Concept: Current Electricity
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APPEARS IN

Frank ICSE Class 10 Physics Part 2
Chapter 4 Current Electricity
Exercise 4.2 | Q 29 | Page 188
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