Physics A-Level
Relative permittivity
What Relative permittivity means in Physics A-Level, as defined for OCR.
Definition of Relative permittivity
Check what you remember
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Reference: OCR
The dielectric constant of the material, denoted εr, which is dimensionless.
Topics that use Relative permittivity
- Uniform electric field (OCR A-Level)
Related terms
- Projectile motion analogy
- Direction of electric field
- Electric force and acceleration
- Factors affecting capacitance
- Field strength definition
- Parallel plate capacitor
- Permittivity
- Relationship between potential difference and separation
Using Relative permittivity in the exam
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