Resistors (OCR GCSE Physics A (Gateway Science Suite)): Quizzes
📚Quizzes
Practise the questions
12 questions from this quiz
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Practise the questions
12 questions from this quiz
What type of graph shows the relationship between current and P.D. for an ohmic conductor?
What type of graph shows the relationship between current and P.D. for an ohmic conductor?
Linear
What happens to the resistance of a filament lamp as its temperature increases?
What happens to the resistance of a filament lamp as its temperature increases?
Resistance increases
In which direction does current flow through a diode?
In which direction does current flow through a diode?
One direction only
What happens when resistance is higher as current moves through a component?
What happens when resistance is higher as current moves through a component?
More energy is transferred
For an ohmic conductor, how is current related to potential difference?
For an ohmic conductor, how is current related to potential difference?
Directly proportional
Which component has resistance that is NOT constant and changes with current?
Which component has resistance that is NOT constant and changes with current?
Filament lamp
What happens to atoms in a filament lamp at high temperatures?
What happens to atoms in a filament lamp at high temperatures?
They vibrate more
How does a thermistor's resistance change in hotter temperatures?
How does a thermistor's resistance change in hotter temperatures?
Resistance is lower
What happens to an LDR's resistance when light intensity increases?
What happens to an LDR's resistance when light intensity increases?
Resistance is lower
What does an LED do when current flows through it?
What does an LED do when current flows through it?
Gives off light
How does resistance change when the length of a wire increases?
How does resistance change when the length of a wire increases?
More resistance
What is the resistance of a diode in the reverse direction?
What is the resistance of a diode in the reverse direction?
Very high resistance