Root mean square value
What Root mean square value means in Physics A-Level, as defined for AQA.
Definition of Root mean square value
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Reference: AQA
The steady direct value that would dissipate the same average power in a given resistor.
Topics that use Root mean square value
- Alternating currents (A-level only) (AQA A-Level)
Related terms
- Direct and alternating potential difference
- Measurement and unit conversion using scale settings
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- Average power
- Brightness and focus controls
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Using Root mean square value in the exam
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