Direct Current Circuit

Which of the following devices measures current in an electric circuit?

• an ammeter

• a voltage meter

• an ohmmeter

• a resistor

Electrical power can be calculated using

• Resistance x Voltage

• Voltage ÷ Current

• Voltage x Current

• Current x Resistance

A tool to measure electrical power is...

• amperemeter

• joulemeter

• multimeter

• wattmeter

In a standard series circuit, the voltage is the same everywhere in the circuit.

• True

• False

An electrical circuit is powered by a battery and contains a light bulb producing 1.5 Ohms of resistance. The circuit is flowing at 4 amps of current. What is the voltage of the battery?

• 6,0 volts

• 9,0 volts

• 1,5 volts

• 1,2 volts

What is the function of a resistor?

• Stop current flow

• Limit current flow

• Limit voltage

• To light up

What is the current reading at the diagram?

• 1 A

• 2 A

• 3 A

• 4 A

Find the equivalent resistance across the terminal A & B of the following electrical network

• 2 Ω

• 4 Ω

• 6 Ω

• 8 Ω

How should you put in an Ammeter?

• Parallel

• Series

How should you put in an volt meter?

• Parallel

• Series