genphy2

What is a circuit?

• A device that stores energy

• A type of electrical component

• An unbroken loop of conductive material

• A broken loop of conductive material

In a series circuit, how is the current through each resistor?

• It is the same through each resistor

• It is zero

• It varies through each resistor

• It is double at the last resistor

What is the total resistance in a series circuit?

• It is the average of individual resistances

• It is equal to the sum of individual resistances

• It is always zero

• It is the product of individual resistances

What is a defining characteristic of a parallel circuit?

• Only one path for current to flow

• Current is the same through all components

• All components are in series

• Two or more paths for current to flow

What happens to voltage in a parallel circuit?

• It is halved for each component

• It is zero

• It is different for each component

• It is the same across each component

What is the function of a capacitor?

• To store energy in the form of an electric charge

• To act as a one-way switch for current

• To limit the flow of electric current

• To convert chemical energy into electrical energy

What does a diode do?

• Allows current to flow in both directions

• Acts as a one-way switch for current

• Stores energy

• Increases voltage

What is the purpose of a transformer?

• To act as a switch

• To measure electric current

• To transfer electric energy between circuits

• To store energy

What type of wave is a radio wave?

• Electromagnetic wave with the shortest wavelength

• Electromagnetic wave with the longest wavelength

• Mechanical wave

• Sound wave

What is the highest point of a wave called?

• Amplitude

• Crest

• Trough

• Wavelength