Electricity and Magnetism

QuizÂ by Windy Dodson

Science
South Carolina Learning Standards

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14 questions
• Q1
Students were instructed to design an electrical circuit that transforms chemical energy to electrical energy to sound energy. Which equipment must be included in their circuit?
battery, light bulb, switch
heater, wire, battery
solar panel, doorbell, battery
battery, wire, buzzer
30s
• Q2
A student connects a flashlight bulb to a battery using wires and leaves the flashlight on overnight. The next day, the student observes that the light has become dimmer. by nighttime, the bulb has stopped glowing. What can the student infer from the observation.
All light energy was transferred to heat energy
the circuit is incomplete
the circuit remained complete
All chemical energy is the battery has been transformed to light and heat
30s
• Q3
Which statement best describes the relationship between motors and generators
Generators transform electrical energy into mechanical energy whereas electric motors transform mechanical energy into electrical energy.
Generators transform mechanical energy into electrical energy whereas electric motors transform electric energy into mechanical energy.
Both electric generators and electric motors transform current from a magnetic field into mechanical energy.
Both electric generators and electric motors use motion in a magnetic field to produce electric current.
30s
• Q4
A coil of wire is wrapped around an iron core and rotated in a magnetic field. Electric energy begins to flow in the coil.
motor
compass
generator
electromagnet
30s
• Q5
What is this device?
generator
electromagnet
motor
30s
• Q6
What is this device?
electromagnet
generator
motor
30s
• Q7
What is this device
generator
generator
motor
30s
• Q8
This is made up of a source, conductor, and transformer
electromagnet
transformer
generator
electric circuit
30s
• Q9
What happens in an electromagnet?
Electric energy produces a magnetic field
electric energy is transferred to mechanical kinetic energy
Kinetic energy is transferred to electric energy
30s
• Q10
Has a Mechanical Kinetic to Electrical energy transformation
electromagnet
motor
generator
Magneticc field
30s
• Q11
Has an electrical energy to mechanical kinetic energy transformation
motor
electromagnet
magentic field
generator
30s
• Q12
Which object converts electrical energy into light energy?
speaker
lamp
buzzer
fan
30s
• Q13
What is the energy transformation of a fan