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Electric field
E = F/q = kq/r²
Where: E = energy (J) / electric field (N/C), F = force (N), q = charge (C)
Solved example
Given: F = 7, q = 5
Find: E (energy (J) / electric field (N/C))
- Formula: E = F/q
- Substitute the values: E = 7/5
- Result: E = 1.4 N/C
Answer: E = 1.4 N/C
Calculator
How to calculate Electric field
- Write down the formula: E = F/q = kq/r².
- Note the known values (F, q).
- Substitute them and simplify to find E.
- Use the calculator above to solve for any letter.
Frequently asked questions
What is the formula for Electric field?
The formula is E = F/q = kq/r², where E = energy (J) / electric field (N/C), F = force (N), q = charge (C).
What is Electric field when F = 7, q = 5?
E = 1.4 N/C. Substitute the values into E = F/q = kq/r² and simplify.