Review Elecrical Installations grade 11

The flow of electrons across a conductor is also known as:

• Electricity

• Voltage

• Resistance

In an axial resistor with a color combination Red/black/brown/ silver the resistance will be:

• 2000 + 5 % ohms

• 2500 + 10 % ohms

• 200 + 10 % ohms

What is the total resistance in a series circuit with R1 = 12 and R2 = 22 connected to a 24 v power supply?

• 34 Ω

• 12 Ω

• 268 Ω

What is voltage measured in?

• Ω (Ohms)
• V (Volts)
• A (Amps)
• W (Watts)

What is current measured in?

• Ω (Ohms)
• V (Volts)
• A (Amps)
• W (Watts)

What types of charges attract?

• Positive and Positive
• Positive and Neutral
• Negative and Neutral
• Positive and Negative

Voltage divided by Current

(V / I)

• Current

• Power

• Resistance

• Watts

What size resistor would produce a 3 Amp current flow with a 12 Volt battery

• 1 Ohm
• 3 Ohms
• 4 Ohms
• 12 Ohms

How many Volts would it take to push 1 Amp through a resistance of 1 Ohm

• 10 volts
• 1 volt
• 48 volts
• 5 volts

What is the total resistance in a series circuit with R1 = 12 and R2 = 22 connected to a 24 v power supply?

• 34 Ω

• 12 Ω

• 268 Ω