Week 2 AS- Electricity 1 Flashcards
1
Q
Current
A
The rate of flow of charge (Amp)
2
Q
The Volt
A
The work done per unit charge.
3
Q
Potential Difference
A
Work done by a device in a circuit in transferring electrical energy into other forms of energy, per unit charge. (Volt)
4
Q
E M F
A
Work done by a power supply in converting chemical energy into electrical energy, per unit charge. (Volt)
5
Q
The Ohm
A
Potential difference per unit current.
6
Q
Ohm’s Law
A
The potential difference across a resistor is directly proportional to the current through the resistor, as long as the temperature is constant.
7
Q
Equation for current
A
I = ΔQ / Δt
8
Q
Equation for the Volt
A
V = W / Q
V = IR
9
Q
Equation for work (Electricity)
A
W = ItV
