R.W CHAPTER 1 QUIZ

The resistance of the human body remains the same, regardless of conditions.

• True

• False

Copper is not a conductor of electricity, because only materials that are magnetic can conduct electricity.

• True

• False

The National Electrical Code gives minimum safety standards for electrical work and is not intended to be a “How-To” manual.

• True

• False

If a 120-volt branch circuit is feeding a load that has 20 ohms of resistance, the amount of current flowing on the circuit will be 7 amperes.

• True

• False

A current of 0.12 ampere is enough to give an electrician a shock that is sufficient to cause his or her breathing to stop.

• True

• False

Many employers around the country require workers to have the OSHA 10 or OSHA 30 card before they are hired.

• True

• False

Always wear the proper personal protective equipment and test the equipment for voltage before working on electrical equipment.

• True

• False

The unit of measure for electrical current flow is the _________.

• Ampere

• Volt

• Watt

• Ohm

Which of the following materials is not considered to be a conductor?

• Gold
• Aluminum
• Glass

• Copper

The force that causes electrons to move from atom to atom in a conductor is called _________.

• amperage

• ohms

• voltage

• watts