PRELIMS - LESSON 4

Question 1

Energy, whether it is
mechanical, chemical,
or electrical, comes in
two forms:____ and _____

Answer 1

kinetic and
potential.

Question 2

____________ which is the stored energy of an object at
rest, is converted into _______ when an object moves.

Answer 2

Potential energy,

kinetic energy

Question 3

All __________ require the storage of energy
before transformed into light, heat, and motion.

Answer 3

electrical circuits

Question 4

This stored energy in a circuit is what is referred to as _____

Answer 4

electric potential energy.

Question 5

Electric Potential Energy

● ________ in an electric field are comparable to
the mass of objects in a gravitational field.

● The ____________determines how much
stored energy a charge has.

● Electric potential energy is thus defined as the
energy needed to move a charge against an electric
field.

Answer 5

Electric charges

electric potential energy

Question 6

is the change in potential energy UE of a charge displaced from point A to B.

Answer 6

Potential difference

Question 7

Electric potential difference is most commonly referred to as ____

Answer 7

voltage.