Electrical Quiz

What does the unit "Volts" relate to in an electrical circuit?

• Current

• Power

• Resistance

• Pressure

What does the unit "Ohms" measure?

• Current

• Power

• Voltage

• Resistance

What does the unit "Amps" measure?

• Current

• Power

• Voltage

• Resistance

In electrical terms, what does "Watts" relate to?

• Current

• Power

• Voltage

• Resistance

Which of the following is true about "Voltage"?

• A. It measures the flow of electric charge.

• B. It measures electrical resistance.

• C. It measures electric potential difference.

• D. It measures electrical power.

What is the relationship between voltage, current, and resistance in Ohm's Law?

• A. Voltage = Current + Resistance

• B. Voltage = Current * Resistance

• C. Voltage = Current / Resistance

• D. Voltage = Resistance / Current

If the resistance in a circuit is 5 ohms and the current is 2 amps, what is the voltage?

• A. 10 volts

• B. 0.4 volts

• C. 7 volts

• D. 2.5 volts

If you increase the voltage in a circuit and keep the resistance the same, what happens to the current?

• A. It decreases

• B. It increases

• C. It stays the same

• D. It becomes zero

Which unit would you use to describe the opposition to the flow of current in an electrical circuit?

• A. Volts

• B. Amps

• C. Watts

• D. Ohms

If you have a circuit with a voltage of 12 volts and a resistance of 4 ohms, what is the current?

• A. 3 amps

• B. 0.3 amps

• C. 48 amps

• D. 8 amps