Science physics equations

Question 1

How to work out charge?

Answer 1

Current * time

Question 2

How to work out potential difference (voltage)?

Answer 2

Current * resistance

Question 3

How to work out energy transferred

Answer 3

power * time

charge * voltage

Question 4

How to work out power in electricity?

Answer 4

current^2 * resistance

voltage * current

Question 5

How to work out kinetic energy

Answer 5

0.5 * mass * speed^2

Question 6

How to work out gravitational potential energy?

Answer 6

Mass * gravitational field strength * height

Question 7

How to work out power (energy)?

Answer 7

Energy transferred/time

Work done/timd

Question 8

How to work out efficiency

Answer 8

Useful output energy transfer / total input energy transfer