Circuit Questions Quiz

The circuit does not work. Which procedure would most likely allow the bulbs to light?

• Close the switch.

• Remove Wire 1.

• Remove Wire 6.

• Remove a battery.

A lab team constructed a circuit using three different-colored light-emitting diodes (LEDs). Which bulb will most likely light if Switch 3 is closed and the other switches are left open?

• Green

• Yellow

• Blue

If the switch were opened, which bulbs would still light?

• Bulbs 1 and 3 only

• Bulb 2 only

• All three bulbs

• None of the bulbs

The circuit shown uses a battery to power a motor. What form of energy is the motor primarily used for?

• sound

• mechanical

• light

• thermal

In some circuits used for decorating, one burned-out bulb prevents the other bulbs from lighting. In other circuits, one burned-out bulb has no effect on other bulbs. In which of these circuits will other bulbs light even if one bulb is burned out?

• A

• B

• C

How many bell(s) would ring if Wire X were removed?

• 0

• 1

• 2

• 3

This circuit has four light-emitting diode (LED) lights. It also has a battery and a switch. Which LEDs produce light when the switch is in the position shown?

• LED 1 and LED 2

• LED 2 and LED 3

• LED 3 and LED 4

• All LEDs

All the bells in this circuit are ringing. Which bell(s) would ring if Wire X were removed?

• Bell A

• Bell B

• Bell C

• None of the bells

A student built the circuit shown. Why doesn’t the lightbulb glow?

• The lightbulb is not part of a closed circuit.

• The buzzer is using too much energy from the battery.

• The circuit needs a closed switch between the buzzer and the battery.

• The lightbulb is in contact with too many wires.

All five of the lightbulbs in this circuit are lit. Removing which wire would result in exactly three bulbs being lit?

• Wire 1

• Wire 2

• Wire 3

• Wire 4