Quiz on Energy and Resistance

Which of the following is the unit of resistance?

• Ampere

• Ohms

• Volt

Resistance is defined as the opposition to the flow of ...........

• Current

• Voltage

• Wire

Which of the following is the best conducting material?

• Copper

• Aluminium

• Silver

What kind of energy does water from Kanji dam supplies?

• Potential energy

• Kinetic energy

• Wind energy

What generates electricity in Kanji power plant?

• Turbine

• Dynamo

• Water wheel

Which of the following factors does not affect resistance of a wire

• Length

• Volume

• Type of material

Which of the following is NOT true

• The longer the length of wire, the higher the resistance

• The higher the cross sectional area of the wire, the higher the resistance

• The higher the cross sectional area of wire, the lower the resistance

Calculate the effective resistance when two resistance of value 2 ohms are connected in series

• 1 ohm

• 2 ohms

• 4 ohms

Calculate the effective resistance when two resistance of value 2 ohms are connected in parallel

• 2 ohms

• 1 ohm

• 4 ohms

What is the energy from the sun called?

• Heat energy

• Dynamo

• Solar energy