Circuit Concepts Quiz LO 6.2

What is the term used to describe the difference in electron concentration in a circuit?

• Current

• Resistance

• Potential difference

• Capacitance

What happens when there is a higher voltage in a circuit?

• Electrons move slower

• Electrons repel each other harder

• Electrons stop moving

• Electrons attract each other

What does a greater potential difference in a circuit lead to?

• Lower current

• Greater current

• No change in current

• Decreased resistance

What is resistance in a circuit?

• The movement of electrons through a conductor

• The increase of voltage in a circuit

• The decrease of current flow

• The production of heat in a circuit

What happens when the voltage in a circuit increases?

• The current decreases

• More electrons flow

• The resistance increases

• The circuit stops working

According to Ohm’s Law, what is the relationship between voltage, current, and resistance?

• Voltage decreases as resistance increases

• Current increases as voltage increases

• Resistance decreases as current increases

• Voltage remains constant regardless of current

What effect does high resistance have in a circuit?

• It increases electron flow

• It creates heat

• It decreases voltage

• It stops the circuit

What is the rate at which electricity flows through an appliance known as?

• Voltage

• Resistance

• Current

• Power

What is the SI unit of measurement for electrical current?

• Volt

• Ohm

• Ampere

• Watt

In the water analogy for understanding current, what does the pipe size represent?

• Voltage

• Resistance

• Flow rate

• Pressure