Capacitors Flashcards
1
Q
Equation for capacitance
A
C=Q/V
Capacitance(farads) = Charge(Coulombs)/ Voltage(Volts
2
Q
How does increasing the resistance of a resistor in series to a capacitor and increasing its capacitance effect a capacitor
A
It increases the time taken for it to fully charge but not the charge it reaches
3
Q
How do charge and voltage compare to one another in a capacitor
A
They are directly proportional
4
Q
Current in a capacitor ….. over time when charging
A
Decreases
5
Q
Charge in a capacitor…. over time when charging
A
Increases
6
Q
Equation for capacitors charging P.D compared to Resistors
A
E.M.F = V(capacitor) + V(resistor)
7
Q
Discharging current equation
A
I = V(capacitor)/ R(resistance of circuit)
8
Q
Charging current equation
A
I = V(supply) / R (resistance of resistor)
