shaw quiz

What is the total resistance in a parallel circuit with two resistors of 4 ohms and 6 ohms?

• 1.5 ohms

• 10 ohms

• 2.4 ohms

• 5 ohms

According to the NEC 2017, what is the minimum required working space in front of an electrical panel?

• 24 inches

• 30 inches

• 36 inches

• 48 inches

You are troubleshooting a circuit and find that the voltage drop across a resistor is 12V, and the current flowing through it is 2A. What is the resistance of the resistor?

• 6 ohms

• 10 ohms

• 24 ohms

• 14 ohms

According to general safety guidelines, what should you do before beginning any electrical work?

• Check for live wires

• Put on gloves

• Start working immediately

• Read the manual

Which of the following is considered a Class 1, Division 1 location according to the NEC?

• Office buildings

• Gasoline dispensing areas

• Residential homes

• School classrooms

According to NEC 2017, what is the minimum required working space in front of electrical equipment rated 600 volts or less?

• 2 feet

• 5 feet

• 4 feet

• 3 feet

What is the color code for a ground wire in a typical residential electrical system in the United States?

• Red

• Black

• Blue

• Green

What is the resistance R in a circuit where the voltage V is 120 volts and the current I is 10 amperes?

• 12 ohms

• 1300 ohms

• 110 ohms

• 1000 ohms

What should you do first when you arrive at an electrical work site to ensure safety?

• Start working immediately

• Check for live wires

• Put on your gloves

• Review the safety plan

You are troubleshooting a circuit and find that the voltage across a resistor is 10V, and the current flowing through it is 2A. What is the resistance of the resistor?

• 5 ohms

• 20 ohms

• 12 ohms

• 8 ohms