P2 Topic 1

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The symbol for an isotope of beryllium is shown. How many protons are in a nucleus of this isotope ?


  • A. 3
  • B. 4
  • C. 7
  • D. 11

A plastic comb is rubbed with a dry cloth. The comb becomes positively charged. The comb has

  • A. Lost electrons
  • B. Gained electrons
  • C. Lost protons
  • D. Gained protons

Which of these is designed to use electrostatic charge ?

  • A. An electric heater
  • B. A filament lamp
  • C. A photocopier
  • D. A dynamo

The diagram shows two charged balls hanging from strings. Which answer is correct for the balloons


  • A. The balloons repel. the charges on the balloons are the same.
  • B. The balloons repel. The charges on the balloons are opposite.
  • C. The balloons attract. The charges on the balloons are the same.
  • D. The balloons attract. The charges on the balloons are opposite.

The diagram shows part of a machine. The ray of light removes electric charges from part of the rotating drum. The machine is:


  • A. An inkjet printer.
  • B. A digital camera.
  • C. A laser printer.
  • D. A television

A petrol tanker becomes positively charged as it moves. When it stops, the driver connects the tanker to Earth with a conducting strip. This removes the built-up charge by conducting

  • A. Positive charge from the tanker to the Earth.
  • B. Positive charge from the Earth to the tanker.
  • C. Negative charge from the tanker to the Earth.
  • D. Negative charge from the Earth to the tanker.

Which is correct during the refuelling of an aircraft ?


  • A. The aircraft is connected to Earth by a conductor and positive electrons flow.
  • B. The aircraft is connected to Earth by an insulator and positive electrons flow
  • C. The aircraft is connected to Earth by a conductor and negative electrons flow
  • D. The aircraft is connected to Earth by an insulator and negative electrons flow

Connecting the aircraft to Earth.

  • A. Prevents it moving.
  • B. Stops its engines turning.
  • C. Reduces the chance of fire.
  • D. Helps to recharge its batteries.