Unit 5 ELECTRICITY and MAGNETISM

Front

What is the SI unit for electric current?

Back

Ampere

Front

What happens when wire 2 is cut in a circuit?

Back

None of the lights turn off.

Front

What happens when wire 6 is cut in a circuit?

Back

None of the lights work.

Front

What causes electric current?

Back

Moving electric charge.

Front

What does the electronic schematic symbol for a wire represent?

Back

Wire.

Front

What is the SI unit for voltage?

Back

Volt.

Front

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

Back

Ohm's Law: V = I × R.

Front

What is a circuit?

Back

A closed loop that allows electric current to flow.

Front

What is the function of a battery in a circuit?

Back

To provide a source of voltage.

Front

What is resistance in an electrical context?

Back

The opposition to the flow of electric current.