Stack-3 Recap

Question 1

Differentiate between cell and battery

Answer 1

Cell- Used when SMALL amount of current is required.
- current flows from positive to negative side in SAME
cell
- Always PORTABLE
- EX: Clocks, Watches, calculators

Battery- Used when MORE amount of current is required.
- Current flows from positive side of one cell to
negative side of OTHER cell.
- NOT always PORTABLE
- EX: Radio, Transistors, torches and remote-controlled toys

Question 2

Electricity can be generated from

Answer 2

Wind, water (when moving), sunlight and manure from animal waste.

Question 3

Define electric current.

Answer 3

Flow of electric charges through a conductor.

Question 4

Define electric circuit, in your own words.

Answer 4

ARRANGEMENT thru which ELECTRIC CURRENT flows in a CONDUCTOR when CONNECTED to a source of electricity.

Question 5

Appliance detecting the presence of current in the circuit.

Answer 5

Bulb