Physics 2b - Current Electrcity & P.D Flashcards
1
Q
What is the unit for current?
A
Amperes, A
Also known as Amps
2
Q
What is potential difference?
A
The driving force that pushed the current round.
3
Q
What is the unit for potential difference?
A
Volts, V
4
Q
What is resistance?
A
Resistance is anything in the circuit that slows the flow down.
5
Q
What is the unit for resistance?
A
Ohms, ♎️
6
Q
Complete the sentence:
The greater the resistance across a component, the __________ the ____________ that _______.
(For a give potential difference across the component)
A
Complete the sentence:
The greater the resistance across a component, the SMALLER the CURRENT that FLOWS.
(For a give potential difference across the component)
7
Q
What is current?
A
The flow of electric charge round a circuit
