Physics A-Level
Practical measurement and graphing
What Practical measurement and graphing means in Physics A-Level, as defined for AQA.
Definition of Practical measurement and graphing
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Reference: AQA
Apply a small sinusoidal input of fixed amplitude, vary its frequency across a wide range, and measure the output amplitude with an oscilloscope or meter, calculating gain as output amplitude divided by input amplitude.
Topics that use Practical measurement and graphing
- Real operational amplifiers (A-level only) (AQA A-Level)
Related terms
- Bandwidth
- Frequency response
- Gain and bandwidth
- Gain-bandwidth product
- Operational amplifier design trade-offs
- Quantitative prediction
- Saturation
- Frequency response curve
Using Practical measurement and graphing in the exam
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