Question

2400J of heat is produced by passing electric current through a conductor of resistance 200ohm for 5minutes (i) find the current though the conductor

Answer 1

Answer:

Current through the conductor is 0.2 A

Consider the equation H= I^2×R×T

2400=I^2×200×60×5

2400=I^2×60000

I^2=2400/60000= .04

I=✓.04=0.2A