Electric Circuits Group Quiz #2

Which statement best describes the number and types of components included in Figure 1?

• 2 batteries, 3 resistors, 2 light bulbs, 1 switch, and 3 paths
• 1 battery, 5 resistors, 0 light bulbs, 2 switches, and 1 path
• 1 battery, 2 resistors, 3 light bulbs, 1 switch, and 3 paths
• 0 batteries, 2 resistors, 3 light bulbs, 1 switch, and 1 path

How many diagrams shown represent circuits that will allow current to flow through them as drawn?

• 1
• 2
• 3
• 4

When a switch is in the “ON” position,

• e lectrons can flow freely and the circuit is considered to be open.
• electrons cannot flow freely and the circuit is considered to be open.
• electrons cannot flow freely and the circuit is considered to be closed.
• electrons can flow freely and the circuit is considered to be closed.

Which of the following statements is TRUE?

• all of the circuits will work properly.
• three of the four circuits will work properly.
• two of the four circuits will work properly.
• only one of the four circuits will work properly.

A circuit contains two light bulbs, a battery, and one switch. When the switch is open light bulb 1 is lit, but light bulb 2 is not lit. When the switch is closed, both bulbs are lit. Which of the following MUST be true? 

• The switch is on the same path as bulb 1, but on a different path than bulb 2.
• The switch is on the same path as bulb 2, but on a different path than bulb 1.
• The switch is on a different path than both bulb 1 and bulb 2.
• The switch is on the same path as both bulb 1 and bulb 2.

The voltage of each battery is 1.5v, and the bulbs have identical resistance.  Which of the figures above would produce the brightest light?

• Figure 3
• Figure 4
• Figure 5
• Figure 6

Resistance in a circuit is caused by internal friction. Which of the following takes place?

• speeds up the movement of charges through an insulating material.
• slows the movement of charges through an insulator.
• speeds up the movement of charges through a conducting material.
• slows the movement of charges through a conductor.

An example of a voltage source is a(n)

• electrical wire.
• electric motor.
• battery.
• magnet.

Which of the following BEST compares insulators and conductors?

• Conductors and insulators both have high resistance.
• Insulators have high resistance and conductors have low resistance.
• Conductors and insulators both have low resistance.
• Conductors have high resistance and insulators have low resistance.

Which of the following is a TRUE statement?

• Circuit A is a series circuit, Circuit B is a combination circuit, and Circuit C is a parallel circuit.
• Circuit A is a parallel circuit, Circuit B is a combination circuit, and Circuit C is a series circuit.
• Circuit A is a series circuit, Circuit B is a parallel circuit , and Circuit C is a combination circuit.
• Circuit A is a series circuit, both Circuit B and Circuit C are parallel circuits.