Electricity and the Human Body Quiz

What is the unit of electrical resistance?

• Volt

• Ampere

• Ohm

• Watt

The symbol for ohms is:

• W

• S

• Ω

• V

What is the unit for electric current?

• Watt

• Ampere

• Ohm

• Joule

Which of the following factors does NOT affect the intensity of an electric shock?

• Resistance

• Voltage

• Body temperature

• Current

The lower the body’s resistance, the:

• Smaller the shock

• Greater the chance of severe shock

• Slower the current flow

• Less harmful the voltage

What is the approximate resistance of damp skin (hand to hand)?

• 900 Ω

• 9,000 Ω

• 90,000 Ω

• 700,000 Ω

Dry skin resistance (hand to hand) can range from:

• 900 Ω to 7,000 Ω

• 90,000 Ω to 700,000 Ω

• 1 Ω to 10 Ω

• 700,000 Ω to 1,000,000 Ω

Which law relates voltage, current, and resistance?

• Newton’s Law

• Ohm’s Law

• Hooke’s Law

• Faraday’s Law

In Ohm’s Law, V = I × R, R stands for:

• Resistance

• Rotation

• Rate

• Range

Voltage is measured in:

• Watts

• Ohms

• Volts

• Amperes