Electric Currents

Question 1

Explain what is meant by “the p.d. across the bulb is 6.0V”

Answer 1

6.0J of energy converted from electrical energy to light and heat by each coulomb of charge

Question 2

Explain what is meant by “the battery supplies an e.m.f of 6.0V”

Answer 2

6.0J of energy for every coulomb of charge is needed/ supplied to do work in the entire circuit.