What amount of heat is generated in a coil of resistance due to a charge passing…

PHYSICS · Multi-part · A Level · Physics · Electricity · Electricity

Problem

What amount of heat is generated in a coil of resistance

R

due to a charge

q

passing through it if the current in the coil: (a) Decreases uniformly to zero during a time interval

t_0

? (b) Decreases to zero, halving its value every

t_0

seconds?