Electrical cells as systems

Question 1

What are cells

Answer 1

cells are a source of electrical energy

Question 2

What is an electrolyte

Answer 2

An electrolyte is a solution that conducts electricity

Question 3

What is a battery

Answer 3

A battery is 2 or more cells that are conneted

Question 4

Explain energy conversion in a cell

Answer 4

When the circuit is closed, a chemical reaction occurs and the chemical energy is converted into electrical energy

Question 5

What does a cell consist of

Answer 5

an electrolyte and metal rods

Question 6

What type of energy does a electrolyte contain

Answer 6

electrical/kinetic energy

Question 7

Describe the series connection in cells

Answer 7

Positive pole of one cell connected to the negative pole of another cell without disruption

Question 8

Describe a parallel connection of cells

Answer 8

All negative poles are connected to one end and all the positive poles are connected to the other end

Question 9

what happens to the brightness of a light bulb in a circuit when 1 cell is replaced with:
1- 2 cells connected in series
2- 4 cells connected in series

Answer 9

1. the bulb will glow brighter
2. the bulb will glow brighter

Question 10

What happens to the brightness of a light bulb in a circuit when the 2 cells in parallel are replaced with:
1- 5 cells in parallel
2- 6 cells connected in parallel

Answer 10

1. nothing will happen to the brightness of the light bulb
2. nothing will happen to the brightness of the light bulb