Matter and Energy Test 7

Front

What is the SI unit of electric current?

Back

ampere

Front

What law describes the relationship between current, voltage, and resistance?

Back

Ohm's law

Front

What moves when charge flows through an electrolyte?

Back

ions

Front

What is the process of diverting unwanted electric charge into the earth called?

Back

Grounding

Front

What object can attract small metal pieces?

Back

magnet

Front

What is the SI unit of voltage?

Back

volt

Front

What is the formula for Ohm's law?

Back

V = I × R (Voltage = Current × Resistance)

Front

What is the difference between a conductor and an insulator?

Back

A conductor allows electric charge to flow easily, while an insulator resists the flow of electric charge.

Front

What is the role of a resistor in a circuit?

Back

A resistor limits the flow of electric current.

Front

What is the unit of electrical resistance?

Back

ohm