# Physics

Lol no thanks

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## 1. Why are the pins of a plug made of brass?

• Brass is a good conductor and does not oxidise or rust
• Brass is a poor conductor and does not oxidise or rust
• HAHAHAHA WHO CARES???????????????????????
• Brass is safer to use than other metals
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## 2. What is a fuse?

• A piece of metal that melts if too much current passes through it
• A thin wire that heats up and melts if too much current passes through it
• LOOOOOOOOOOOOOOOOLLLLLLLLLLLLLLLLLL IDIOT
• Something that always blows

## 3. Why don't appliances with plastic cases have to be earthed?

• Plastic does need to be earthed
• Plastic is an insulator so cannot become live
• PLASTIC IS TOO SASSY AND COOL FOR DAT
• Plastic is a good conductor so cannot become live

## 4. How do you calculate the frequency of an ac supply?

• f=Tx100
• f=1/T
• f=T/1
• LOOOOOLLLLLLLLLLLL YOU DON'T KNOW
• FREQUENCY=RAPERxPASTORAL CARE

## 5. What is the equation for power?

• LOOOOOOOOOLLLLL U CONFUSED
• P=IxV
• P=I/V
• P=V+I