Electrical Energy Transformations Review

Electrical Energy Transformations Review

by Kiana Eaddy

Multiple Choice

In order for a circuit to be considered complete, the circuit must be ________.

• Closed and broken

• Open and unbroken

• Closed and unbroken

• Open and broken

Multiple Choice

Electric circuits need ________________. 

• Source

• Conductor to let electricity flow

• Something to transform electrical energy

• All of the above.

Multiple Choice

Which statement explains the purpose of of a switch?

• The open switch transfers energy through the open circuit.

• The closed switch transfers energy in the closed circuit. 

• Whether the switch is open or closed determines the direction of energy flow within the circuit. 

• Whether the switch is open or closed determines the strength of the electrical energy in the circuit. 

Multiple Choice

What transformations occur in the circuit

• Electrical energy to sound energy

• Chemical and electrical energy to sound energy

• Chemical energy to electrical energy to sound energy

• Electrical energy to chemical energy to sound and heat energy

Multiple Choice

Sammie inserts a battery into a fan. Then, the fan turns on. Describe the energy transformation.

• Chemical energy to electrical energy to Mechanical Energy

• Electrical energy to Mechanical energy to Radiant energy

• Mechanical energy

• Chemical energy to Thermal energy to Mechanical energy.