Anna Le Page
Quiz por , criado more than 1 year ago

Quiz sobre Static and Current Electricity, criado por Anna Le Page em 28-12-2013.

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Anna Le Page
Criado por Anna Le Page mais de 10 anos atrás
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Static and Current Electricity

Questão 1 de 8

1

What happens when a piece of plastic becomes negatively charged?

Selecione uma das seguintes:

  • Gains electrons

  • Loses electrons

  • Loses protons

Explicação

Questão 2 de 8

1

Why would a charged balloon stick to an uncharged wall?

Selecione uma das seguintes:

  • The like charges attract

  • The like charges repel

  • The balloon sticks by inducing a charge on the wall

Explicação

Questão 3 de 8

1

How is a build up of static avoided when refuelling an aircraft?

Selecione uma das seguintes:

  • The fuel is poured in slowly

  • The refuelling tanker and the aircraft are both earthed

  • The aircraft has insulating tyres

Explicação

Questão 4 de 8

1

What can be said about a cloth and a plastic rod when they are rubbed together?

Selecione uma das seguintes:

  • The cloth and rod have the same charge

  • The cloth and the rod have equal but opposite charges

  • The cloth has twice as many opposite charges as the rod

Explicação

Questão 5 de 8

1

If a charged object is brought near to an uncharged one, what happens?

Selecione uma das seguintes:

  • They attract

  • They repel

  • Nothing happens

Explicação

Questão 6 de 8

1

Where in an atom are the electrons?

Selecione uma das seguintes:

  • In the nucleus

  • Attached to the protons

  • In shells, around the nucleus

Explicação

Questão 7 de 8

1

How does static electricity build up when walking on a carpet?

Selecione uma das seguintes:

  • A carpet is part of an electric circuit

  • The electrons prefer the carpet to the shoes

  • Friction

Explicação

Questão 8 de 8

1

Which of the following is an advantage of static electricity?

Selecione uma das seguintes:

  • Dust is attracted to TV screens

  • Waste gases are cleaned of dust particles

  • Clothes cling to each other after tumble drying

Explicação