Electric Current and Circuits – Practice

Questions:

1) What is the current in a wire if 4C pass a point in the circuit every 5 seconds?

2) What is the current in a wire if 6.25 × 1019 electrons pass a point in the circuit every 2 seconds?

3) How many electrons flow pass a point each second if the current is 400mA?

Quick Answers:

1) 0.8 amps

2) 5 amps

3) 2.497 × 1018

Worked Answers: