What type of energy is stored in an object due to its high position?
  • Gravitational potential energy
  • Elastic potential energy
  • Kinetic energy
  • Electrical energy
What type of energy is stored in an object that is compressed, stretched or bent?
  • Gravitational potential energy
  • Elastic potential energy
  • Kinetic energy
  • Electrical energy
What is produced on a balloon after it is rubbed with a woolen cloth?
  • Electrostatic charges
  • Electric current
  • Voltage
  • Resistance
What happens to a plastic ruler after it is rubbed with a woollen cloth?
  • Transfer of electrons
  • Transfer of protons
  • Transfer of neutrons
  • Chemical reaction
What instrument can be used to detect electrostatic charges?
  • Electroscope
  • Telescope
  • Microscope
  • Periscope
Which of the following statements about charges is TRUE?
  • Same charges repel while opposite charges attract
  • Same charges repel and opposite charges also repel
  • Same charges attract and opposite charges also attract
  • Same charges attract while opposite charges repel
What is the result of the force of attraction that exists between the positive charges on the ground and the negative charges in the clouds?
  • Lightning
  • Thunder
  • Whirlpool
  • Cyclone
What can be used to produce electric charges at high voltages?
  • Van de Graaff generator
  • Resistor
  • Ammeter
  • Voltmeter
What type of charges are usually produced on the dome of the Van de Graaff generator?
  • Positive
  • Negative
  • Neutral
  • It's impossible to detect
What is an ammeter used to measure?
  • Electric current
  • Voltage
  • Resistance
  • Magnetism
What is a voltmeter used to measure?
  • Electric current
  • Voltage
  • Resistance
  • Magnetism
What is the unit for electric current?
  • Ampere
  • Volt
  • Ohm
  • Tesla
What is the unit for voltage?
  • Ampere
  • Volt
  • Ohm
  • Tesla
What is the unit for resistance?
  • Ampere
  • Volt
  • Ohm
  • Tesla
Which factor does NOT affect the resistance in an electric circuit?
  • Surface area of the conductor
  • Length of the conductor
  • Type of conductor
  • Diameter of the conductor
What is the direction of a magnetic field?
  • From the north pole to the south pole
  • From the south pole to the north pole
  • From the east pole to the west pole
  • From the west pole to the east pole
Which of the following statements about magnets is TRUE?
  • Same poles repel while opposite poles attract
  • Same poles repel and opposite poles also repel
  • Same poles attract and opposite poles also attract
  • Same poles attract while opposite poles repel
What direction will a compass point to when hung freely?
  • North
  • South
  • East
  • West
What rule is used for determining the direction of the magnetic field based on the direction of the current in a straight conductor?
  • Right-hand grip rule
  • Left-hand grip rule
  • Fleming's left-hand rule
  • Fleming's right-hand rule
Which of the following devices does not used an electromagnet?
  • Refridgerators
  • Cranes
  • Electric bells
  • Credit cards
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