Electricity and Magnetism

What is the form of energy stored in an object due to its position or condition?

• Chemical energy

• Kinetic energy

• Electrical energy

• Potential energy

Which of the following instruments is required to detect static electrical charges

• Galvanometer

• Electroscope

• Voltmeter

• Miliammeter

Why do the hairs stand and attracted to the balloon when a balloon is rubbed to the hair?

• The balloon and hair are charged with the same charge.

• The balloon and hair are not charged

• The balloon is negatively charged and the hair is neutral

• The balloon and hair are charged with different charges

Diagram shows an energy source obtained naturally on Earth. What is the energy source?

• Wind

• Biomass

• Geothermal

• Fossil Fuel

Diagram shows a complete circuit. What are represented by J, K and L?

• J : Ammeter

  K : Bulb

  L : Voltmeter

• J : Voltmeter

  K : Bulb

  L : Ammeter

• J : Voltmeter

  K : Ammeter

  L : Bulb

• J : Bulb

  K : Ammeter

  L : Voltmeter

Diagram shows a complete series circuit. What is the resistance of X?

• 1 Ohm

• 2 Ohm

• 3 Ohm

• 4 Ohm

Diagram shows a circuit with four bulbs A, B, C and D. Which bulb, A, B, C or D will cause other bulbs to go off when it blows out?

• A

• B

• C

• D

Which statement is not true about electromagnet?

• Electromagnet is a permanent magnet

• Soft iron is used in an electromagnet

• Electric bell uses an electromagnet

• The polarity of an electromagnet is the same as a permanent magnet

Tick(✔️) the correct statement about electrostatic charges.

• Earthing causes positive charges to flow from the object to the ground.

• An electroscope is used to determine the presence of electrostatic charges

• Similar types of electric charges attract one another.

______ allows the electric current to flow through it.