Ohm's Law Quiz

How can the relationship between electric current and resistance be compared?

• Like water flowing through a wide pipe

• Like water being absorbed by a sponge

• Like water flowing from the open end of a bottle

• Like water evaporating into the air

What does the total amount of resistance in a circuit determine?

• The amount of power used by the circuit

• The amount of current in the circuit for a given voltage

• The brightness of the light bulb in the circuit

• The speed at which the current flows

What is the unit used to measure electrical resistance?

• Ampere

• Volt

• Ohm

• Watt

How is the unit for electrical resistance abbreviated?

• A

• V

• W

• Ω

What does Ohm's Law relate in an electrical circuit?

• Current, voltage, and power

• Current, resistance, and capacitance

• Current, voltage, and resistance

• Voltage, resistance, and inductance

According to Ohm's Law, if you know the voltage (V) and the resistance (R), what can you calculate?

• Power

• Current (I)

• Capacitance

• Inductance

What is the formula to calculate voltage if the current (I) and resistance (R) are known?

How can you calculate resistance using Ohm's Law?

What is the formula for Ohm's Law?

• I = V + R

• V = I / R

• I = V / R

• R = V * I

What does the symbol 'Ω' stand for in electrical terms?

• Voltage

• Current

• Power

• Resistance