Question

If potential difference across a bulb is 220V and current flowing through it is 2.2 A then resistance of filament of bulb is​

Answer 1

Answer:

100 Ohms

Explanation: We know, V=IR

                      Now substituting the value of V and I, we get

                      220=2.2 * R

                     or, R=220/2.2

                     or, R= 100 Ohms

So, resistance is 100 ohms

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