conductors and insulators

Question 1

what are insulators ?

Answer 1

substances that do not conduct electricity or electricity current to flow through easily

Question 2

what are conductors?

Answer 2

substances which easily allows an electric current to flow through them easily

Question 3

examples of insulators?

Answer 3

rubber,glass,oil,diamond,dry wood,plastic,air.

Question 4

examples of conductors?

Answer 4

silver,gold,copper,aluminium,mercury,steel,iron,sea water,graphite

Question 5

what is a wallerfield circuit?

Answer 5

a complete pathway that things can go around

Question 6

sign for one batttery

Answer 6

long,short,long,short,long,short

Question 7

sign for light bulb

Answer 7

a circle w an x inside

Question 8

sign for single cell

Answer 8

one pair of long and short

Question 9

sign for ammeter

Answer 9

circle with an A in the middle

Question 10

sign for wire

Answer 10

a line

Question 11

for an open switch

Answer 11

a dot and then a line and dot

Question 12

for a bulb

Answer 12

a cirle w a bump in it

Question 13

for a closed switch

Answer 13

a line w two dos at the end

Question 14

voltmeter

Answer 14

a circle w a v in it

Question 15

for a fuse

Answer 15

corn on a stick

Question 16

for a power pack

Answer 16

long,short,long,short and an arrow through the middle

Question 17

for a resistor

Answer 17

four heartbeats

Question 18

what is the difference between a cell and a battery?

Answer 18

a cell is made up of a negative and a postive terminal but a battery is made up of two or more cells.

Question 19

what is a circuit?

Answer 19

a circuit is a complete pathway which electric current can flow. and has to be made of a conductor such as a metal wire.

Question 20

what is electric current?

Answer 20

electric current is the rate of flow of electric charge or electric particles.

Question 21

what is the SI unit for current?

Answer 21

ampere [A]

Question 22

what are smaller SI units?

Answer 22

milliamperes [mA] or microamperes [upside down h and capital A

Question 23

complete pathway in which electric particles can move

Answer 23

electric circuit

Question 24

are electrons negatively or positively charged?

Answer 24

negatively

Question 25

what is conventional current?

Answer 25

positive to negative

Question 26

what is electron current?

Answer 26

negative to positive

Question 27

is the negative side of the ammeter supposed to be on the negative side of the battery?

Answer 27

yess sirr

Question 28

substances are made of atomic particles,each atom has a nucleus which is negatively charged w electrons.

Answer 28

electrons are the charged particles that flow as an electric curent into a solid.

Question 29

for an electric current to flow through a circuit….

Answer 29

the components must be conductors,metals are great examples of conductors

Question 30

wires hv free electrons not bounded to a particular nucleus..

Answer 30

that is why electricity flows so easily through wire

Question 31

wires hv free electrons not bounded to a particular nucleus..

Answer 31

this is called a sea of delocalised electrons.

Question 32

true or false!? conduction of an electric current can also take place in water?

Answer 32

true

Question 33

conduction of an electric current can also take place in water if the water contains negtively and positively charged particles called….

Answer 33

ionss!!!! YAYYY

Question 34

what is an electrolyte?

Answer 34

is a compound in which breaks down into ions when dissolved or molten as such carries an electric current.