2-Electric Current

Question 1

Ammeter

Answer 1

Meter used in an electric circuit for measuring current

Question 2

Direct current

Answer 2

An electric current that only flows in one direction

Question 3

Coulombs

Answer 3

The unit of charge

Question 4

Parallel

Answer 4

When components are connected across each other in a circuit

Question 5

Series

Answer 5

When components are connected end to end in a circuit

Question 6

Potential difference

Answer 6

Voltage

Question 7

Rheostat

Answer 7

A variable resistor

Question 8

Filament lamp

Answer 8

A lamp that emits light when its thin metal filament gets very hot

Question 9

Diode

Answer 9

A device made from semi conductor material that conducts in one direction only

Question 10

Fixed resistor

Answer 10

A resistor that can only resist a specific amount of current

Question 11

Electrical power

Answer 11

The rate of energy transfer

Question 12

Semiconductor

Answer 12

Materials with electrical conductivity between metals and insulators

Question 13

Light dependent resistor

Answer 13

A device whose resistance falls as the light falling on it increases

Question 14

Thermistor

Answer 14

A resistor whose resistance depends on temperature

Question 15

Electric current

Answer 15

The rate of flow of charge