Electric Field

Question 1

Who discovered Electric Field?

Answer 1

Michael Faraday

Question 2

It is the region around an electrical charge particle where force is detected.

Answer 2

Electric Field

Question 3

Imaginary lines drawn in a way that their direction
at any point is the same as the direction of the field at that point.

Answer 3

Electric Field Lines

Question 4

a vector quantity, having a magnitude and direction.

Answer 4

The strength of
electric field

Question 5

Test charge is always __________ in definition

Answer 5

positive

Question 6

Formula for Strength of Electric Field

Answer 6

E= F/q

E=kQ/r^2

Question 7

Unit for Strength of Electric Field

Answer 7

Newton per Coulomb N/C
Voltage per meter V/m

Question 8

4 important properties of Electric Field

Answer 8

1. Lines start at a positively charged object
   and end at a negatively charged object
2. Field lines must be tangent to the
   direction of the field at any point
3. No two field lines from the same field can cross each other.
4. The greater the line density, the greater
   the magnitude of the field.

Question 9

Lines start at a __________ charged object
and end at a ____________ charged object

Answer 9

Positively, Negatively

Question 10

Field lines must be _____________ to the
direction of the field at any point

Answer 10

tangent

Question 11

No two field lines from the same field can
__________ each other.

Answer 11

cross