Symbols and Equations

Question 1

What is the symbol for current?

Answer 1

I

Question 2

What is the symbol for charge?

Answer 2

Q

Question 3

What is the symbol for time?

Answer 3

t

Question 4

What is current measured in?

Answer 4

Amperes (A)

Question 5

What is charge measured in?

Answer 5

Coulombs (C)

Question 6

What is time measured in?

Answer 6

Seconds (s)

Question 7

What is unit of potential difference?

Answer 7

Volt (V)

Question 8

What is the unit for resistance?

Answer 8

Ohm

Question 9

What is the equation for current (I)?

Answer 9

I= Q divided by T

Question 10

What is the equation for charge (Q)?

Answer 10

Q= I x t

Question 11

What is the equation for potential difference in work done per unit charge?

Answer 11

V= W divided by Q

Question 12

What is the unit for work done?

Answer 12

W

Question 13

What is the equation for work done (W) in p.d and unit of charge?

Answer 13

W= V x Q

Question 14

What is the equation for potential difference in resistance and current?

Answer 14

V= I x R

Question 15

What is the unit for energy transferred?

Answer 15

E

Question 16

What is the unit for power?

Answer 16

P

Question 17

What is the equation for energy transferred (E)?

Answer 17

E= P x t

Question 18

What is the equation for power (P) in electrical power and fuse ratings?

Answer 18

P= I x v

Question 19

What is the symbol for energy transformed?

Answer 19

E

Question 20

What is the equation for energy transformed (E)?

Answer 20

E= Q x V

Question 21

What is the equation for power (P) in rate of doing work?

Answer 21

P= E divided by t

Question 22

What is the unit for extension?

Answer 22

e

Question 23

What is the unit for force?

Answer 23

F

Question 24

What is the unit for spring constant?

Answer 24

k

Question 25

What is the equation for force (F)?

Answer 25

F= k x e

Question 26

What is unit for distance?

Answer 26

d

Question 27

What is the equation for work done (W) in work and potential energy?

Answer 27

W= F x d