Directions: Write the letter of the correct answer. _1. What type of energy transformation is involved in an electric motor? A. mechanical to chemical C. electrical to mechanical D. chemical to mechanical B. mechanical to electrical 2. What type of energy conversion is involved in an electric generator? A. mechanical to chemical C. electrical to mechanical D. chemical to mechanical B. mechanical to electrical _3. What basic principles enable generators to operate? A. Iron is the only element that is magnetic. B. Opposite electric charges attract and like charges repel. C. A current-carrying wire placed within a magnetic field will experience a magnetic force. D. A closed- loop conductor within a changing magnetic field will have an induced voltage.

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Chapter1: Units, Trigonometry. And Vectors
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Directions: Write the letter of the correct answer.
_1. What type of energy transformation is involved in an electric motor?
A. mechanical to chemical
C. electrical to mechanical
D. chemical to mechanical
B. mechanical to electrical
_2. What type of energy conversion is involved in an electric generator?
A. mechanical to chemical
C. electrical to mechanical
D. chemical to mechanical
B. mechanical to electrical
_3. What basic principles enable generators to operate?
A. Iron is the only element that is magnetic.
B. Opposite electric charges attract and like charges repel.
C. A current-carrying wire placed within a magnetic field will experience
a magnetic force.
D. A closed- loop conductor within a changing magnetic field will have an
induced voltage.
_4. What transformation can take place in a ceiling fan's electric motor?
A. Alternating current into direct current
B. Direct current into alternating current
C. Mechanical energy into electrical energy
D. Electrical energy into mechanical energy
_5. What transformation can take place in an improvised generator?
A. Alternating current into direct current
B. Direct current into alternating current
C. Mechanical energy into electrical energy
D. Electrical energy into mechanical energy
Transcribed Image Text:Directions: Write the letter of the correct answer. _1. What type of energy transformation is involved in an electric motor? A. mechanical to chemical C. electrical to mechanical D. chemical to mechanical B. mechanical to electrical _2. What type of energy conversion is involved in an electric generator? A. mechanical to chemical C. electrical to mechanical D. chemical to mechanical B. mechanical to electrical _3. What basic principles enable generators to operate? A. Iron is the only element that is magnetic. B. Opposite electric charges attract and like charges repel. C. A current-carrying wire placed within a magnetic field will experience a magnetic force. D. A closed- loop conductor within a changing magnetic field will have an induced voltage. _4. What transformation can take place in a ceiling fan's electric motor? A. Alternating current into direct current B. Direct current into alternating current C. Mechanical energy into electrical energy D. Electrical energy into mechanical energy _5. What transformation can take place in an improvised generator? A. Alternating current into direct current B. Direct current into alternating current C. Mechanical energy into electrical energy D. Electrical energy into mechanical energy
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