Static Electricity, Charge and Current

What is current?

• Rate of change

• Flow of charge

• A type of fruit

• A way we measure distance

How do we measure current?

• Voltmeter

• Count it

• with a ruler

• Ammeter

What equation links charge, current and time?

• Q = I/t

• Q = It

• t = QI

• I = t/Q

What is the unit for charge?

• Ohm

• Volts

• Amps

• Coulombs

What is the unit for current?

• Ohms

• Volts

• Amps

• Coulombs

What charge do electrons have?

• +1

• -2

• -1

• 0

Is wood a good conductor?

• Yes

• No

Is metal a good conductor?

• Yes

• No

A negatively charged object and a positively charged object will...

• Attract

• Repel

What must have happened if an insulator has been made positively charged due to friction?

• Protons have transferred to the insulator

• Electrons have transferred to the insulator

• Protons have been removed from the insulator

• Electrons have been removed from the insulator