Electric Flashcards
What unit is used for current
Amps
What’s the definition of current?
Rate of flow of charge
What is current
Rate of flow of charge
What is potential difference
Energy transferred
What unit is used for potential difference
Volts
What’s unit for energy
Joules
What’s the unit for resistance
Ohms
What is the equation that links power, current and potential difference (voltage)?
P=IxV
What is the equation that links charge, current and time?
Q=Ixt
What is a fuse
A wire that melts if a high current flows through it
Temperature
The average kinetic energy of all particles in a. Substance
Internal heat
The total kinetic and potential energy of the particles in a system
Specific latent heat of fusion
The amount of energy needed to change 1kg of solid to 1kg of liquid at its melting point
Specific latent heat of vaporisation
The amount of energy needed to change 1kg of gas at its boiling point
