Unit 13 Test - Part 1

The voltage in a circuit is increased. Which of the following would occur?

• the current would stay the same
• the current would decrease
• the current would increase
• it is impossible to say what would happen to current

A material through which charges can flow freely is called a

• conductor
• insulator
• series
• parallel

The resistance in a circuit is increased. Which of the following would occur?

• the current would decrease
• the current would increase
• the current would stay the same
• it is impossible to say what would happen to current

Resistance is measured in a unit called the ____.

• ampere
• coulomb
• ohm
• volt

A path that allows only one route for an electric current to is called a ____.

• parallel circuit
• parallel current
• series circuit
• series current

A path that has two or more branches for electrons to follow is a(n) ____.

• circuit diagram
• electron circuit
• parallel circuit
• series circuit

The rate at which an electrical device converts energy from one form to another is called _____.

• electrical energy
• electrical power
• electrical resistance
• voltage regulation

Electric companies usually sell electrical energy in units of _____.

• watts
• amperes
• volts
• kilowatt-hours

In the circuit shown below, which bulb, when burned out, will cause all the other bulbs to stop glowing?

• A
• B
• C

Current that does NOT reverse direction is called _____.

• alternating current
• circuit current
• direct current
• magnetic current