Circuits And Current Flashcards
1
Q
What is current ?
A
When you complete a circuit, charged particles or charges move in the metal wires. The current is the amount of charge flowing per second. You can measure the current with an ammeter. Current is measured in amperes or amps. The symbol for amps is A.
2
Q
Where do the charges come from ?
A
The cell or battery pushes charges around the circuit. The battery does not produce the charges that move. They were already there in the wires. In a metal the charged particles that move are electrons.
