Chapter 23 [1] (pp. 493-513)

Which of the following requires the most power in a series circuit?

100 W light bulb

If the voltage in a circuit is 12 V and the resistance is 6 ohms, what is the current in amps?

2

Which of the following is not a type of variable resistor

3-way switch

In a parallel circuit the total resistance will be ____ if there are individual resistances of 80 Ω, 100 Ω, and 150 Ω.

34.29Ω

What is the voltage in a circuit with an 8 ohm heating element that draws 6 amps?

48V

Voltage that changes direction regularly (60 times per second in the US) is called...

AC

A series circuit has more than one path for current to flow through.

False

In a series circuit the current varies as it passes through each load.

False

Small conductors have less resistance than larger conductors of the same material.

False

The current is the same in all parts of a parallel circuit.

False

Current, measured in Amps is represented in Ohms Law by the letter..

I

Which type of circuit has two or more paths for the current to flow through?

Parallel circuit

Which property of electricity is represented by the symbol Ω?

Resistance

Which of the following is not considered to be a load.

Switch

If a light bulb in a series circuit burns out or is removed, current flow in the circuit stops.

True

If you know the current and voltage in a circuit you can find the resistance.

True

The total resistance in a series circuit is equal to the sum of all the resistances in that circuit.

True

Voltage is theoretically the same across all loads of a parallel circuit.

True

The letter E is used in Ohms Law to represent...

volts