Question

4. a. An electric bulb is rated as 100 W, 250 V. What information does this convey?
b. How much current will the bulb draw, if connected to a 250 V supply?​

Answer 1

Explanation:

A)100W means that the power or brightness of bulb and 250V means that it glows over potential difference of 250

b) P= IV

I=P/V

I =100/250

I=0.4A