# G485 Module 1 - Electric Fields Quiz

Syllabus: OCR Physics A - Unit G485

Covers pages 90 to 95 in the textbook, on Electric Fields.

Happy revising!

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• Created by: Beth1234
• Created on: 14-06-11 19:20
What creates electric fields?
Electric charges
1 of 7
What is electric field strength?
Force per unit positive charge
2 of 7
What is "r" in Coulombs law?
Distance between the centre of charge of two objects
3 of 7
The electric field strength is equal to...
both F/q and V/d
4 of 7
If a particle with charge "q" moves through a distance "d" through a field with electric field strength "E", the force acting on it will be...
Eq
5 of 7
The electric field strength at a distance of 1.75 x 10^-10 m from a 1.6 x 10^-19 C point charge is...
4.70 x 10^10 (units: Vm-1 or NC-1)
6 of 7
An electron travelling between two parallel plates (with a vaccuum between them) that are connected to a high voltage supply will gain kinetic energy. If the separation of the plates is doubled, but the p.d. kept the same, what effect does this have on th
Remains the same
7 of 7

## Other cards in this set

### Card 2

#### Front

What is electric field strength?

#### Back

Force per unit positive charge

### Card 3

#### Front

What is "r" in Coulombs law?

### Card 4

#### Front

The electric field strength is equal to...

### Card 5

#### Front

If a particle with charge "q" moves through a distance "d" through a field with electric field strength "E", the force acting on it will be...