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Nat 5 Physics > Electricity and Energy > Flashcards

Flashcards in Electricity and Energy Deck (11)
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1

What is potential difference?

The measure of energy given to the charge carriers in a circuit

2

What does V - I graph look like?

3

What is the voltage, current and resistance equation

4

What is the relationship between resistance and temperature?

As temperature increases the resistance decreases

5

What is the potential energy equation?

6

What is the kinetic energy equation?

7

What is kinetic energy measured in?

Joules 

8

What else is released when potential energy is converted into different forms?

Heat

9

What is the equation for charge?

Q=IT

10

What is current?

The amount of charge carried by a conductor every second

11

What is the difference between AC and DC

In AC the charges travel both directionsthrough the conductor

 

In DC - charges move continuously throughout the current in the same direction