Electrical Questions

1. What is the smallest part of any material?

• Atom

• Molecule

• Electron

• Proton

What charge do protons have?

• Positive

• Negative

• Neutral

• Variable

How many electrons make up 1 coulomb?

• 6.7 x 10^16

• 6.7 x 10^17

• 6.7 x 10^18

• 6.7 x 10^19

Which of the following is NOT an effect of electric current?

• Thermal

• Chemical

• Magnetic

• Optical

What is the unit of power in an electrical circuit?

• Volt

• Ampere

• Ohm

• Watt

How is power calculated using voltage and current?

• P = V/I

• P = VxI

• P = V+I

• P = V-I

In a parallel circuit, what remains unchanged across all components?

• Current

• Resistance

• Voltage

• Power

What happens to the resistance of a conductor if its length is doubled?

• It remains the same

• It is halved

• It is doubled

• It is quadrupled

How are ammeters connected in a circuit?

• In parallel

• In series

• In series-parallel

• In parallel-series

What destroys a magnetic field?

• Increasing temperature

• Increasing current

• Reducing Voltage

• Adding a resistor