Electricity

Question 1

Opposite charges

Answer 1

Attract

Question 2

Like charges

Answer 2

Repeal

Question 3

a.c.

Answer 3

Alternating current

Question 4

Voltage in a.c.

Answer 4

Continually change direction

Question 5

d.c.

Answer 5

Direct current

Question 6

Voltage in direct current

Answer 6

Only flow in one direction

Question 7

Current

Answer 7

Amount of movement of charge

Question 8

Current increases

Answer 8

Temperature increases

Question 9

Voltage

Answer 9

Difference in electrical potential between two points

Question 10

Resistance

Answer 10

How much opposition there is to the current in a circuit

Question 11

Resistance decreases

Answer 11

Current increases

Question 12

Voltmeter connected in

Answer 12

Parallel

Question 13

Ohmmeter connected in

Answer 13

Parallel

Question 14

Ammeter connected in

Answer 14

Series

Question 15

Resistor in series

Answer 15

Current decreases

Question 16

Supply p.d. (Vs) equals to

Answer 16

V1+V2+V3…

Question 17

Thermistor

Answer 17

Temperature increases, resistance decreases (TURD)

Question 18

LDR

Answer 18

Light level increases, resistance decreases (LURD)

Question 19

Photovoltaic cell

Answer 19

From light energy to electric energy

Question 20

Motor

Answer 20

From electric energy to kinetic energy

Question 21

Loudspeaker

Answer 21

From electric energy to sound energy

Question 22

Relay

Answer 22

Switches on or off a larger current or voltage in a separate circuit

Question 23

Power

Answer 23

Energy per second