ohm
What is the unit for resistance?
Copper
ammeter
Which instrument measures electric current?
Less resistance / length
resistance of short wire
Positive to negative
Conventional current flows from…...... through the external circuit.
electrical insulator
A material that does NOT let current flow
More resistance / length
A longer wire has higher resistance.
Opposite to conventional current
The direction of electron flow
In parallel
How is a voltmeter connected in a circuit?
Less resistance / thickness
A thicker wire has less resistance
low resistance / resistivity
A wire with lower resistivity has
Negative to positive
Electrons flow from…...... through the external circuit.
More resistance / thickness
a thinner wire has more resistance
Glass
which material is an electrical insulator?
Voltmeter
Which instrument measures potential difference?
Volt (V)
What is the unit for potential difference?
Ampere (A)
What is the unit for electric current?
Battery
What provides energy to the circuit?
in series
How is an ammeter connected in a circuit?
electrical conductor
A material that lets current flow easily is a...
More resistance / resistivity
A wire with higher resistivity
Opposing current flow
Briefly describe resistance.
smaller current
what is the current when resistance is high?
electric current
What is the flow of electric charge?
a series of electric cells
what do you also call a battery?