Electricity Safety Quiz

What does voltage measure in an electric circuit?

• The speed of electrons

• The force or pressure applied to a circuit

• The number of electrons per second

• The temperature of the conductor

Which letter symbol is often used for voltage?

• V

• E

• I

• R

Which is considered more dangerous to humans?

• High voltage

• High current

• Low resistance

• Low voltage

What is the general safe working voltage for most situations?

• Below 10 volts

• Below 20 volts

• Below 30 volts

• Below 50 volts

What unit is used to measure electric current?

• Volt

• Watt

• Ampere

• Ohm

How many amperes are generally considered potentially dangerous to humans?

• 0.001 A

• 0.005 A

• 0.01 A

• 0.05 A

Why are birds safe when standing on a single high-voltage wire?

• They are immune to electricity

• They don’t touch the ground or another wire

• They have insulated feathers

• The wire has no current

Which of the following situations can cause electrocution on transmission lines?

• Touching one wire only

• Standing on the ground and touching the wire

• Wearing gloves while touching the wire

• Being far from the wire

The human body’s resistance is high enough to stop dangerous current flow in which common situation?

• Touching wet wires

• Touching a 9V battery with dry hands

• Standing barefoot in water

• Holding two live wires

What is the most important factor in the danger of electric shock?

• Voltage level

• Wire thickness

• Current amount

• Type of insulation