Electricity Basics Quiz

What are the two types of current electricity?

• Alternating and Direct

• Positive and Negative

• Fast and Slow

• High and Low

What is the unit used to measure the flow of electrons?

• Watt

• Volt

• Amp

• Ohm

What is the function of a capacitor in a circuit?

• Create a magnetic field

• Generate light and heat

• Store and release electrons

• Restrict the flow of electrons

What is the main difference between conductors and insulators?

• Conductors allow electrons to flow, insulators do not

• Conductors produce light, insulators do not

• Conductors are made of metal, insulators are made of plastic

• Conductors have positive charge, insulators have negative charge

What is the purpose of a resistor in a circuit?

• To create a magnetic field

• To store and release electrons

• To restrict the flow of electrons

• To generate light and heat

What is the main function of a transformer?

• To restrict the flow of electrons

• To store and release electrons

• To induce a voltage from one coil to another

• To create a magnetic field

What is the main difference between AC and DC?

• AC flows in one direction, DC flows backwards and forwards

• AC is used in solar panels, DC is used in power electronics

• AC is used in batteries, DC is used in plug sockets

• AC is more common, DC is less common

What is the main function of an incandescent light bulb?

• To store and release electrons

• To generate light and heat

• To restrict the flow of electrons

• To create a magnetic field