Graphs of Potential Difference in the Coil (AQA GCSE Physics): Flashcards
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Practise the cards
12 cards from this deck
What does a rotating coil in a magnetic field experience?
What does a rotating coil in a magnetic field experience?
Changing magnetic flux
What does changing magnetic flux induce in a coil?
What does changing magnetic flux induce in a coil?
Potential difference
Horizontal axis label on PD vs time graph
Horizontal axis label on PD vs time graph
Time (s)
Vertical axis label on PD vs time graph
Vertical axis label on PD vs time graph
Potential Difference (V)
3 factors affecting induced PD in rotating coil
3 factors affecting induced PD in rotating coil
Rotation speed, field strength, turns in coil
How to connect plotted points on PD graph
How to connect plotted points on PD graph
With a smooth curve
Starting point of PD graph when coil is stationary
Starting point of PD graph when coil is stationary
Origin (0 V)
When does PD peak during coil rotation?
When does PD peak during coil rotation?
When coil is perpendicular to magnetic field lines
Pattern on graph for multiple coil rotations
Pattern on graph for multiple coil rotations
Repeating/cyclical pattern
What do highest points on PD graph represent?
What do highest points on PD graph represent?
Maximum potential difference
Curve crossing horizontal axis indicates what?
Curve crossing horizontal axis indicates what?
Switch from positive to negative voltage (or vice versa)
What does PD curve shape depend on?
What does PD curve shape depend on?
Rotation speed and magnetic field strength