Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
5 Cards in this Set
- Front
- Back
What is the average voltage of the mains electricity in Europe ?
|
230 volts
|
|
What is the average voltage of a battery ?
|
4,5 volts
|
|
Are 230 volts dangerous to a human body ?
|
The 230 volts mains can send an electric current through your body that is big enough to kill you !!!!!
|
|
Why is it dangerous to touch an electric main ?
|
The human body is a conductor, because it contains a lot of liquid (water, blood) and dissolved minerals and salts.
|
|
Name as many safety rules in connection with electricity as you can:
|
Never use a hair dryer when taking a shower or bath / Never put a screwdriver in a plug / Never repair electrical items without pulling the plug / Never use a defect or broken plug / Never unplug an electric item by by pulling on the wire / Never fly a kite near wires.
|