Which is the unit to measure the electric current?
Amps
Oops!
Check
Okay!
Check
baam
Lose 25 points!
Oops!
star
Double points!
Okay!
shark
Other team loses 15 points!
Okay!
baam
Lose 20 points!
Oops!
15
To connect electrical devices to the primary alternating current supply (AC) in a building we use p........ and s..........
plugs and sockets
Oops!
Check
Okay!
Check
15
What do you need to use electrical current?
A c....., a p....... and something to use the electricity.
A circuit, a power source and something to use the electricity.
Oops!
Check
Okay!
Check
15
How do you call an atom with negative charge?
Electron
Oops!
Check
Okay!
Check
15
Which is the unit to measure the electrical power?
Watts
Oops!
Check
Okay!
Check
15
How do you call an atom with positive charge?
Proton
Oops!
Check
Okay!
Check
15
The loads that convert electrical energy into heat are.......
(bulbs, buzzers, motors, resistors)
resistors
Oops!
Check
Okay!
Check
15
Are fuses protection elements?
Yes, they are.
Oops!
Check
Okay!
Check
monster
Reset all scores!
Oops!
fairy
Take points!
5
10
15
20
25
rocket
Go to first place!
Okay!
baam
Lose 10 points!
Oops!
20
............................conduct the electric current from the battery to the load, passing through the control elements and back to the battery.
(Insulators/ Conductors/ Switches /Fuses)
Conductors
Oops!
Check
Okay!
Check
15
Are switches protection elements?
No, they aren't.
Oops!
Check
Okay!
Check
15
....................give a continuous sound when current flows through them. They are often used in alarm systems. (bulbs, buzzers, motors, resistors)
buzzers
Oops!
Check
Okay!
Check
trap
No points!
Oops!
gift
Win 20 points!
Okay!
gift
Win 10 points!
Okay!
lifesaver
Give 25 points!
Oops!
20
What are the most common power sources?
Batteries and AC power supplies.
Oops!
Check
Okay!
Check
15
Usually, the conductors are wires made of .................... and covered in plastic.
(plastic, glass, copper, iron, wood)