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P4 - Electric Circuit

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Total cards: 11•Content version: v4•Public deck•Updated: 8/1/2026

Card preview (11)

#1
Front (Question)

What is the equation that links charge, current and time?

Back (Answer)

Q = It

#2
Front (Question)

What does a resistor do?

Back (Answer)

Limits flow of current

#3
Front (Question)

What does a thermistor do?

Back (Answer)

As temp increases, resistance decreases

#4
Front (Question)

What does a diode do?

Back (Answer)

Allows current to flow in one direction only

#5
Front (Question)

What is the equations for Ohm’s law?

Back (Answer)

V = Ir OR R = V I

#6
Front (Question)

Give the equation for potential difference?

Back (Answer)

V = E Q

#7
Front (Question)

How do you figure out gradient in a circuit?

Back (Answer)

Current (I) Voltage (V)

#8
Front (Question)

What is an LDR?

Back (Answer)

Light dependant resistor

#9
Front (Question)

What is a series circuit?

Back (Answer)

Voltages all add up to supply voltage, current is the same throughout

#10
Front (Question)

What is a parallel circuit?

Back (Answer)

Total current through the whole circuit is equal to the sum of currents through seperate branches

#11
Front (Question)

What are the 2 equations for power?

Back (Answer)

P = E T P = I2 X R