T2 | C2 | BASIC ELECTRICAL PROPERTIES WITH OHM'S LAW

Multiple Choice

Which property of an electric circuit is measured in Ohms (Ω)?

• Voltage

• Current

• Resistance

• Power

Multiple Choice

Which property of an electric circuit is measured in Amps/Amper (A)?

• Voltage

• Current

• Resistance

• Power

Multiple Choice

Which property of an electric circuit is measured in Volts (V)?

• Voltage

• Current

• Resistance

• Power

Multiple Choice

Based on the graph, which of the following would be true regarding the relationship of voltage and current?

• As voltage increases, current decreases.

• Voltage will not affect current.

• As voltage decreases, current increases.

• As voltage increases, current also increases.

Multiple Choice

According to Ohm's Law, what happens to the current in a circuit if the resistance increases while the voltage stays the same?

• The current decreases

• The current increases

• The current stays the same

• The current reverses direction

Multiple Choice

If you double the voltage across a circuit with constant resistance, what will happen to the current?

• The current will double

• The current will be halved

• The current will stay the same

• The current will decrease to zero

Multiple Choice

Select the correct formula for calculating current (I) using Ohm's Law.

• I = V / R

• I = R / V

• I = V x R

• I = V / I

Multiple Choice

Select the correct formula for calculating voltage (V) using Ohm's Law.

• I = V / R

• V = I/R

• V = I X R

• R = V X I

Multiple Choice

Which formula correctly represents Ohm's Law for calculating resistance?

• R = V / I

• R = I / V

• R = V x I

• R = I x V

Fill in the Blanks

How much voltage would be necessary to generate 10 amps of current in a circuit that has 5 ohms of resistance?

Fill in the Blanks

What voltage is necessary to produce a current of 200 amperes through a resistance of 100 Ω?

Multiple Choice

This circuit has a 24 volt battery and the resistor is 8 ohms. How many amps are running through the circuit?

• 3 Amps
• 192 Amps
• 2 Amps
• 4 Amps

Multiple Choice

What would the circuit resistance be if a 7.5 Amp draw was present with the engine running and the charging system producing 15 Volts

• 15 Ohms
• 4 Ohms
• 0.3333 Ohms
• 2 Ohms

Multiple Choice

If a charger for a tablet offers a voltage of 120V and has 240Ω of resistance, what is the amperage?

• 0.5A

• 2A

• 14,400A

• 28,800A

Multiple Choice

With the engine running the charging system produces 14.5 Volts what would the current flow be if a resistance of 6 Ohms was present

• 2.41 Ohms
• 2.52 Ohms
• 2.1 Ohms
• 0.3333 Ohms

Open Ended

What questions do you still have about the properties of electricity or Ohm's Law that you would like to explore further?

Multiple Select

Which of the following best describes your understanding of the relationship between the properties of electricity and Ohm's Law after this lesson?

• I fully understand the relationship and can solve related problems.

• I understand the basic concept but need more practice with problems.

• I am still confused about the relationship and need more explanation.

• I did not understand the topic at all.