Question

how much current will an electric bulb draw from a 220v source if the resistance of the bulb filament is 200V​

Answer 1

Explanation:

V= 200v

R = 1200 ohms

I =?

I = V/R = 200/1200

11/60 amphere

when heater of R = 100 ohms

v = 220v

R = 100 ohms

I = V/R 220/100

= 2.2Amphere