AQA GCSE PHYSICS ELECTRICITY
EXAMPREP UPDATED COMPLETE
QUESTIONS AND VERIFIED SOLUTIONS
●● switch (open) symbol?
Answer:
●● switch (closed) symbol?
Answer:
●● lamp symbol?
Answer:
●● What is an electric current?
Answer: - the flow of electric charge around a circuit
●● What is the unit of electric current?
Answer: - ampere (A)
- shortened to amp
●● How can we measure the current in a circuit?
,What is the symbol for this component?
Answer: - by using an ammeter
●● How will the current be affected if we put this component in another
position?
Answer: - current is never used up in a circuit
- in series, the current is the same all the way around
●● What direction does the electric current flow?
Answer: - negative end of the cell to the positive end
●● How do lamps light up in a circuit?
Answer: - electrons carry energy from the cell to the lamp
=> electrons pass this energy to the components in the circuit, e.g. the
lamp
=> electrical energy transferred to light and thermal energy
●● What direction is the conventional current?
Answer: - positive to negative end of the cell
●● How can you know that a circuit is a series circuit?
Answer: - no branches
, - current only flows in one path
●● How do you know that a circuit is a parrelel circuit?
Answer: - circuit conatins branches
●● How is the current affected when the ammeter is placed in a different
position in a parralel circuit?
Answer: - current splits when passing through branches
- different current in each branch
●● What is key about the current in a parralel circuit?
Answer: - the current in each branch adds up to the total current leaving
the cell
●● What does a potential difference of 1V tell us?
Answer: - a potential difference of 1V tells us that 1J of energy is
transferred for each coulomb of charge that is moving through the circuit
●● How do we measure the potential diffeerrence in a circuit, what is
the symbol for this component?
Answer: - we can measure potential diffeence in a circuit using a
voltmeter:
EXAMPREP UPDATED COMPLETE
QUESTIONS AND VERIFIED SOLUTIONS
●● switch (open) symbol?
Answer:
●● switch (closed) symbol?
Answer:
●● lamp symbol?
Answer:
●● What is an electric current?
Answer: - the flow of electric charge around a circuit
●● What is the unit of electric current?
Answer: - ampere (A)
- shortened to amp
●● How can we measure the current in a circuit?
,What is the symbol for this component?
Answer: - by using an ammeter
●● How will the current be affected if we put this component in another
position?
Answer: - current is never used up in a circuit
- in series, the current is the same all the way around
●● What direction does the electric current flow?
Answer: - negative end of the cell to the positive end
●● How do lamps light up in a circuit?
Answer: - electrons carry energy from the cell to the lamp
=> electrons pass this energy to the components in the circuit, e.g. the
lamp
=> electrical energy transferred to light and thermal energy
●● What direction is the conventional current?
Answer: - positive to negative end of the cell
●● How can you know that a circuit is a series circuit?
Answer: - no branches
, - current only flows in one path
●● How do you know that a circuit is a parrelel circuit?
Answer: - circuit conatins branches
●● How is the current affected when the ammeter is placed in a different
position in a parralel circuit?
Answer: - current splits when passing through branches
- different current in each branch
●● What is key about the current in a parralel circuit?
Answer: - the current in each branch adds up to the total current leaving
the cell
●● What does a potential difference of 1V tell us?
Answer: - a potential difference of 1V tells us that 1J of energy is
transferred for each coulomb of charge that is moving through the circuit
●● How do we measure the potential diffeerrence in a circuit, what is
the symbol for this component?
Answer: - we can measure potential diffeence in a circuit using a
voltmeter:
