Electric Circuit Quiz

What are the three essential items in an electric circuit?

• Power supply, load, conducting path

• Battery, switch, light bulb

• Resistor, capacitor, inductor

• Wire, plug, socket

What is the role of a power supply in an electric circuit?

• To convert electrical energy into light

• To provide electrical energy

• To stop the flow of electricity

• To measure electrical current

What is the unit of electric current?

• Volt

• Ohm

• Ampere

• Coulomb

Who is the unit of electric current named after?

• Isaac Newton

• André Ampère

• Albert Einstein

• Nikola Tesla

Who is the unit of voltage named after?

• Georg Ohm

• Isaac Newton

• Alessandro Volta

• James Watt

What is the unit of resistance?

• Volts

• Amperes

• Ohms

• Joules

In the analogy of a bakery supplying bread to a supermarket, what do the delivery vans represent in an electric circuit?

• Voltage

• Resistance

• Current

• Energy

What does the bakery manager do to start the delivery process?

• Loads bread onto vans and sends them off

• Bakes more bread

• Opens the supermarket

• Collects empty vans

In the analogy, what happens as soon as the vans start to move?

• Bread is delivered to the supermarket

• The vans stop

• The bakery closes

• The bread is baked

What is the role of the battery in an electric circuit?

• Provides energy and allows the charges to move

• Lights up the bulb

• Collects bread

• Speeds up the charges