dnt quiz

What does A.C mean?

• A.C means that the current continuosly changes its flow.

• A.C means that flows in one direction most of the time

How do solar cells operate?

• Convert electricity into light.

• Convert light into electricity

What provides potential different (p.d)?

• The batteries

• Pressure

When do you apply a D.C current in your circuit?

• Rechargeable devices

• Kitchen Appliances

What unit do we use to measure potential difference?

• Volts (V)

• Ampere (A)

what is the most common power source

Answer explanation

its actually batteries !

What is another word for solar cells

Answer explanation

It's photovaltaic cells.

How many types of batteries are there?

• 6

• 4

• 5

what do all batteries have in common?

• a negative and positive terminal

• 2 negative positive terminals

• 2 negative terminals

• all of the above

what happens to the voltage if you put batteries in a series than In parallel