Core practical: Electrical circuits (Edexcel GCSE Physics Combined Science): Quizzes
📚Quizzes
Practise the questions
12 questions from this quiz
ShowHide
Practise the questions
12 questions from this quiz
How must an ammeter be connected in a circuit to measure current?
How must an ammeter be connected in a circuit to measure current?
In series
How must a voltmeter be connected to measure potential difference across a resistor?
How must a voltmeter be connected to measure potential difference across a resistor?
In parallel with the resistor
Which formula is used to calculate resistance?
Which formula is used to calculate resistance?
What is the unit for resistance?
What is the unit for resistance?
Ohms (Ω)
A resistor has a potential difference of V and current of A. What is its resistance?
A resistor has a potential difference of V and current of A. What is its resistance?
Ω
What is the formula for total resistance of two resistors in series?
What is the formula for total resistance of two resistors in series?
Two Ω resistors are connected in series. What is the total resistance?
Two Ω resistors are connected in series. What is the total resistance?
Ω
How does total resistance in parallel compare to individual resistors?
How does total resistance in parallel compare to individual resistors?
Less than either resistor
Two Ω resistors are connected in parallel. What is the total resistance?
Two Ω resistors are connected in parallel. What is the total resistance?
Ω
Why is resistance higher in a series circuit?
Why is resistance higher in a series circuit?
Only one path for electrons to flow
Why is resistance reduced in a parallel circuit?
Why is resistance reduced in a parallel circuit?
Current has more than one path
What happens to a filament lamp's resistance as its temperature increases?
What happens to a filament lamp's resistance as its temperature increases?
Resistance increases