Resistance-Physics Flashcards
1
Q
Resistance =
A
Resistance=potential difference(V)/current(A)
2
Q
What does ammeter do?
A
Measures the current of the circuit
3
Q
What does the voltmeter do?
A
Measures the potential difference across the wire
4
Q
Zero error
A
Measuring instrument when the value should be zero
5
Q
Variable resistor
A
Used to control the potential difference across the lamp
