1.

An elecric bulb is connected to a source of 220 volt and the current flowing through the circuit is 0.5 ampere. What will be the resistance and power of the bulb? ​

Answer»

Explanation:

power is a voltage MULTIPLIED by current at 220V with 0.5 current

power is 100W

R= V/I 5/5m = 1k own

power is 5v×500mA=2.5mW



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