Circuits And Potential Difference Flashcards
Atoms contain positive _________, ___________ neutrons and ___________ electrons
Protons
Neutral
Negative
Where are protons and neutrons held in the atom?
In the nucleus at the centre of each atom
Electrons ________ around the nucleus
Orbit
The electrons in an insulator are held tightly by their atoms.
What does this stop them from doing?
Flowing
What is used to measure the voltage across a component?
Voltmeter
Voltage is measured in ________
Volts
Voltmeters must be connected in __________ to compare the ________ carried by electrons before and ________ the component
Parallel
Energy
After
The current is provided by a difference in …?
Potential which provides the force to move the charges around the circuit
In a series circuit, potential difference is __________ _____________ components
Split between
Each parallel branch gets the ________ voltage in a parallel circuit
Full
What is another name for potential difference?
Voltage
What does potential difference supply in a circuit?
The force required to move the charges around the circuit as well as supplying the energy
Voltmeters measure the voltage across a component.
True or False?
True
Voltmeters have _______ resistance
High