Current and Circuits Flashcard UNIT 10 AP PHYSICS

Front

What is the unit of measurement for resistance?

Back

Ohm (Ὠ)

Front

What is the total resistance of three 6 ohm resistors in series?

Back

18 ohm

Front

How should a series circuit be drawn?

Back

Both in a row.

Front

Where do most electrons flowing through a battery circuit come from?

Back

Atoms in the wires.

Front

What does power describe in a circuit?

Back

The rate of energy flow.

Front

How is power calculated in a circuit?

Back

By multiplying voltage (V) times current (I).

Front

What is the unit of electrical power?

Back

Watt (W)

Front

What is the relationship between voltage, current, and resistance?

Back

Ohm's Law: V = I × R.

Front

What happens to total resistance when resistors are connected in series?

Back

Total resistance increases.

Front

What happens to total resistance when resistors are connected in parallel?

Back

Total resistance decreases.