Circuits & electricity

Question 1

what is; I

Answer 1

current

measured in amps (A)

Question 2

what is; V

Answer 2

voltage

measured in voltz (V)

Question 3

what is; Q

Answer 3

charge

measured in coulombs (c)

Question 4

what is: t

Answer 4

time

measured in seconds (sec)

Question 5

what is: R

Answer 5

resistance

measured in ohms (Ω)

Question 6

what is; P

Answer 6

power

measured in watts (W)

Question 7

what is; E

Answer 7

energy

measured in joules (J)

Question 8

what is; emf

Answer 8

electromotive force

same as voltage

Question 9

what is; DC

Answer 9

direct current

the flow of charge is in one direction

Question 10

what is; AC

Answer 10

alternating current

flow of charge move back and forwards periodically

Question 11

conventional current

Answer 11

positive to negative flow of charge

Question 12

electron current

Answer 12

negative to positive flow of charge

Question 13

voltage is

Answer 13

energy per charge,

voltage drop, potential difference

Question 14

current is

Answer 14

charge per second

Question 15

voltage distribution in parallel circuits

Answer 15

voltage doesn’t split, same voltage spent across both paths

Question 16

voltage distribution in series circuits

Answer 16

voltage is shared between components

Question 17

current in series circuit

Answer 17

the same at every point in the circuit

Question 18

current is parallel circuit

Answer 18

shared between each path

Question 19

power is

Answer 19

the rate at which energy is transformed

Question 20

volt metre is connected in

Answer 20

parallel

Question 21

ammeter is connected in

Answer 21

series

Question 22

frequency (f)

Answer 22

measure of how many times per second an event happens

measured in hertz (Hz)

Question 23

period (T)

Answer 23

the amount of time it takes an event to happen

measured in seconds