Question and answer
A transformer is a device that increases or decreases voltage. Please select the best answer from the choices provided T F
A transformer is a device that increases or decreases voltage. TRUE.
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Asked 4/29/2015 7:02:26 PM
Updated 4/30/2015 1:27:12 AM
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This answer has been confirmed as correct and helpful.
Edited by jeifunk [4/30/2015 1:27:11 AM]
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An electric current produces a magnetic field. Please select the best answer from the choices provided T F
Question
Not Answered
Updated 4/29/2015 6:43:22 PM
1 Answer/Comment
An electric current produces a magnetic field. TRUE
Added 4/29/2015 6:43:22 PM
This answer has been confirmed as correct and helpful.
Confirmed by Andrew. [4/30/2015 2:08:44 AM], Rated good by Andrew.
What type of device is a bicycle dynamo? a. Tesla coil c. Generator b. Steam engine d. Electric motor
Question
Updated 4/30/2015 1:41:25 AM
1 Answer/Comment
A simple bike dynamo using a motor as a generator.
Added 4/30/2015 1:41:21 AM
This answer has been confirmed as correct and helpful.
What is used to turn the pointer of a galvanometer? a. a crank b. an electric current c. a bar magnet d. a battery
Weegy: Electric Current is used to turn the pointer of a galvanometer. (More)
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Updated 4/30/2015 11:35:01 PM
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The coldest layer of Earth’s atmosphere is the __________. a. troposphere c. mesosphere b. stratosphere d. thermosphere
Weegy: The MESOSPHERE is the coldest layer of Earth’s atmosphere. (More)
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Updated 5/6/2015 12:47:06 AM
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A light-year is a unit of a. time. c. mass. b. distance. d. density.
Weegy: A light-year is a unit of: DISTANCE. (More)
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Updated 5/1/2015 6:54:00 AM
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