P2 Know It

What is this?

• Cell

• Switch

• Bulb

• Motor

What is this?

• Resistor

• LDR

• Bulb

• Switch

What is this?

• Thermister

• LDR

• Variable Resistor

• Fixed Resistor

What is this?

• Thermister

• LDR

• Variable Resistor

• Fixed Resistor

What is this?

• LED

• LDR

• Diode

• Bulb

What is this?

• Resistor

• LED

• LDR

• Battery

What is potential difference?

• The flow of electric charge

• The energy of electrons flowing around a circuit

• Anything in a circuit that reduces current

• The rate of energy transfer

What is the unit for potential difference?

• V

• A

• R

• I

What is current?

• The flow of electric charge

• The energy of electrons flowing around a circuit

• Anything in a circuit that reduces current

• The rate of energy transfer

What is the unit for current?

• V

• A

• R

• I