Physics A-Level
Direction and strength from field lines
What Direction and strength from field lines means in Physics A-Level, as defined for OCR.
Definition of Direction and strength from field lines
Check what you remember
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Reference: OCR
The direction of a field line at any point gives the direction of the force on a positive test charge there, and the spacing of the lines indicates field strength.
Topics that use Direction and strength from field lines
- Point and spherical charges (OCR A-Level)
Related terms
- Electric field
- Electric field strength
- Rules for drawing field diagrams
- Vector nature of field strength
- Direction of field relative to charge sign
- Field lines and charge sign
- Force on a charge in a field
- Superposition of fields from multiple charges
Using Direction and strength from field lines in the exam
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