Mid-Cycle 5 Practice First

Which of the following devices is primarily used to convert mechanical energy into electrical energy?

• Electric Motor

• Generator

• Transformer

• Battery

Tags

NGSS.HS-PS3-3

What is the main function of a transformer in an electrical circuit?

• To convert AC to DC

• To increase or decrease voltage

• To store electrical energy

• To generate electricity

Which of the following is an example of a magnetic field application?

• Light bulb

• Refrigerator magnet

• Solar panel

• Battery

Tags

NGSS.HS-PS2-5

NGSS.HS-PS3-5

In simple harmonic motion, what is the term for the maximum displacement from the equilibrium position?

• Frequency

• Amplitude

• Wavelength

• Period

Tags

NGSS.HS-PS4-1

Which of the following best describes the motion of a pendulum?

• Linear motion

• Circular motion

• Simple harmonic motion

• Random motion

What type of wave requires a medium to propagate?

• Electromagnetic wave

• Sound wave

• Light wave

• Radio wave

Which of the following is a characteristic of simple harmonic motion?

• Constant velocity

• Constant acceleration

• Restoring force proportional to displacement

• Random oscillations

Tags

NGSS.HS-PS2-4

Which of the following is NOT a type of wave energy?

• Mechanical wave

• Thermal wave

• Electromagnetic wave

• Sound wave

Tags

NGSS.MS-PS4-1

What is the primary purpose of an electric motor?

• To convert electrical energy into mechanical energy

• To store electrical energy

• To increase voltage

• To convert mechanical energy into electrical energy

Tags

NGSS.HS-PS3-3