General Physics 2

Question 1

A branch of physics that deals with the electromagnetic force that occurs between electrically charged particles.

Answer 1

Electromagnetism

Question 2

One of the fundamental forces of nature which acts upon all charged particles

Answer 2

Electromagnetic Force

Question 3

Acts between all charged particles, whether or not they’re moving.

Answer 3

Electric Force

Question 4

Attraction or repulsion that arises between electrically charged particles because of their motion.

Answer 4

Magnetic Force

Question 5

It is the study of phenomena due to charges that are temporarily stationary

Answer 5

Electrostatic

Question 6

The physical quantity which is carried by some elementary particle that governs how the particles are affected by an electric or magnetic field

Answer 6

Electric Charge

Question 7

If the sum of the identical positive and negative quantities is zero

Answer 7

Electrically Neutral

Question 8

Electrons transfer from a neutral object to another via rubbing due to the difference in the objects’ capacity

Answer 8

Friction

Question 9

Transfer of electrons from charged to neutral object via direct contact

Answer 9

Conduction

Question 10

A scientific device that is used to detect the presence of an electric charged on a body

Answer 10

Electroscope

Question 11

Electrons react to the electric field of another object without direct contact

Answer 11

Induction

Question 12

A charged caused by an indirect contact with a charged object or material

Answer 12

Induced charge

Question 13

Provides a measure of safety against electric shocks by acting a safety line

Answer 13

Grounding

Question 14

States that the electrical force between two charged objects is directly proportional to the product of the quantity of charge

Answer 14

Coulomb’s Law

Question 15

F - is the electrostatic force
q1 and q2 are point charges (+) and (-)
r is the distance between the point charges
k - the constant valued at
(8.99×10⁹Nm²/C²)

Question 16

A region of space around a charged particle, or between two voltages
(Michael Faraday)

Answer 16

Electric Field

Question 17

E - the electric field strength
F - electrostatic force
q - point charge
r - distance between point charge
k - 8.99×10⁹ Nm²/C²

Question 18

A property of an electric field that may be thought of as the number of electric lines of force that intersect a given area

Answer 18

Electric Flux

Question 19

States that the outward normal electric flux through any closed surface is proportional to the total electric charge enclosed within that closed surface

Answer 19

Gauss’ Law

Question 20

∅ - electric flux
Q - enclosed charged
E - electric field strength
A - area of the surface
∅ - the angle
E⁰ - 8.85×10^-12 C²/Nm²

Question 21

The amount of work needed to move a unit charge from a reference to a specific point

Answer 21

Electric Potential

Question 22

Units to remember
V - j/c
q or Q - c (coulomb’s)
F - N (newton)
r - m (distance)
k - Nm²/C²
coulomb’s constant (k) (8.99×10⁹ Nm²/C²)
E⁰ (8.85×10^-12 C²/Nm²)
q or Q (charge) 1.602×10^-19 C
electric potential constant(k)
9.0×10⁹ Nm²/C²