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  1.  
  2. Question Number 1 Points: 5.00/5.00
  3. Question Text
  4. Which of the following best describe a generator?
  5. Your Answer
  6. C. provides an electrical power output
  7. Question Number 2 Points: 5.00/5.00
  8. Question Text
  9. Electromagnetic induction uses a magnetic field to create which of the following?
  10. Your Answer
  11. B. electric current
  12. Question Number 3 Points: 5.00/5.00
  13. Question Text
  14. Which of the following describes electromagnetic induction?
  15. Your Answer
  16. B. moving a loop of wire through a magnetic field to create an electric current
  17. Question Number 4 Points: 5.00/5.00
  18. Question Text
  19. A wind turbine captures the mechanical energy of wind and uses a generator to produce:
  20. Your Answer
  21. A. electrical energy
  22. Question Number 5 Points: 5.00/5.00
  23. Question Text
  24. Which of the following describes the production of an electric current by moving a loop of wire through a magnetic field or moving a magnet through a wire loop?
  25. Your Answer
  26. C. electromagnetic induction
  27. Question Number 6 Points: 5.00/5.00
  28. Question Text
  29. Electromagnetic Induction states that moving a magnet through a loop of wire creates which of the following?
  30. Your Answer
  31. A. electric current
  32. Question Number 7 Points: 5.00/5.00
  33. Question Text
  34. Which of the following can provide the energy source for a generator?
  35. Your Answer
  36. D. all of the above
  37. Question Number 8 Points: 2.00/2.00
  38. Question Text
  39. According to Faraday's law, voltage cannot be changed by changing the magnetic field strength.
  40. Your Answer
  41. False
  42. Question Number 9 Points: 5.00/5.00
  43. Question Text
  44. Which of the following is a type of generator in a car?
  45. Your Answer
  46. A. alternator
  47. Question Number 10 Points: 5.00/5.00
  48. Question Text
  49. When a generator rotates a coil of wire in a magnetic field, which of the following is produced?
  50. Your Answer
  51. D. electric current
  52. Question Number 11 Points: 5.00/5.00
  53. Question Text
  54. Which of the following is a device that increases or decreases the voltage of an alternating current?
  55. Your Answer
  56. D. transformer
  57. Question Number 12 Points: 5.00/5.00
  58. Question Text
  59. In a generator, mechanical energy is converted to:
  60. Your Answer
  61. A. electrical energy
  62. Question Number 13 Points: 5.00/5.00
  63. Question Text
  64. When generators use mechanical energy, what type of energy is produced?
  65. Your Answer
  66. B. electrical energy
  67. Question Number 14 Points: 2.00/2.00
  68. Question Text
  69. Faraday's law calculates voltage.
  70. Your Answer
  71. True
  72. Question Number 15 Points: 5.00/5.00
  73. Question Text
  74. Electromagnetic induction creates electrical energy by using which of the following types of energy?
  75. Your Answer
  76. D. mechanical energy
  77. Question Number 16 Points: 5.00/5.00
  78. Question Text
  79. A generator produces:
  80. Your Answer
  81. D. alternating current
  82. Question Number 17 Points: 5.00/5.00
  83. Question Text
  84. A step-down transformer has more loops on which coil?
  85. Your Answer
  86. A. primary coil
  87. Question Number 18 Points: 5.00/5.00
  88. Question Text
  89. Which kind of transformer increases the voltage of an alternating current?
  90. Your Answer
  91. B. step-up transformer
  92. Question Number 19 Points: 0.00/5.00
  93. Question Text
  94. Generators use the magnetic field of which of the following to produce an electric current?
  95. Your Answer
  96. C. magnetic domain
  97. Question Number 20 Points: 5.00/5.00
  98. Question Text
  99. Which kind of transformer decreases the voltage of an alternating current?
  100. Your Answer
  101. A. step-down transformer
  102.  
  103.  
  104. Question Number 1 Points: 5.00/5.00
  105. Question Text
  106. Which of the following describes the interaction between a south pole and a north pole of a magnet?
  107. Your Answer
  108. A. attract
  109. Question Number 2 Points: 5.00/5.00
  110. Question Text
  111. Which of the following would describe the interaction between two north poles of a magnet?
  112. Your Answer
  113. B. repel
  114. Question Number 3 Points: 5.00/5.00
  115. Question Text
  116. If a magnet repels a metal object what can you say about the pole of the magnet and the pole of the object?
  117. Your Answer
  118. D. The poles are the same.
  119. Question Number 4 Points: 5.00/5.00
  120. Question Text
  121. The strength of the magnetic field around a current-carrying wire is determined by which of the following?
  122. Your Answer
  123. A. the amount of current in the wire
  124. Question Number 5 Points: 5.00/5.00
  125. Question Text
  126. Which of the following describes a magnetic field?
  127. Your Answer
  128. D. the area where the magnetic force is exerted
  129. Question Number 6 Points: 5.00/5.00
  130. Question Text
  131. The area where the magnetic force is exerted is known as which of the following?
  132. Your Answer
  133. C. field
  134. Question Number 7 Points: 5.00/5.00
  135. Question Text
  136. An electromagnet is a temporary magnet due to which of the following?
  137. Your Answer
  138. A. The magnet is only present when a current is present
  139. Question Number 8 Points: 5.00/5.00
  140. Question Text
  141. When an electric current is flowing through a wire which of the following is also produced?
  142. Your Answer
  143. C. field
  144. Question Number 9 Points: 5.00/5.00
  145. Question Text
  146. Which of the following produces a magnetic field?
  147. Your Answer
  148. A. spin of electrons
  149. Question Number 10 Points: 5.00/5.00
  150. Question Text
  151. Which of the following describes the interaction between two south poles of a magnet?
  152. Your Answer
  153. B. repel
  154. Question Number 11 Points: 5.00/5.00
  155. Question Text
  156. The direction of the magnetic field is determined by which of the following?
  157. Your Answer
  158. D. direction of the current
  159. Question Number 12 Points: 5.00/5.00
  160. Question Text
  161. Which type of magnet is created from an electromagnet?
  162. Your Answer
  163. B. temporary
  164. Question Number 13 Points: 5.00/5.00
  165. Question Text
  166. If a magnet is attracted to another magnet what can you say about the pole of the first magnet and the pole of the other magnet?
  167. Your Answer
  168. A. The poles are opposite.
  169. Question Number 14 Points: 5.00/5.00
  170. Question Text
  171. Which of the following describes what occurs to the magnetic field produced by a current carrying wire when there is no electric current flowing through the wire?
  172. Your Answer
  173. C. there is no magnetic field
  174. Question Number 15 Points: 5.00/5.00
  175. Question Text
  176. Which of the following occurs when the strength of the current flowing through a wire is increases?
  177. Your Answer
  178. C. The magnetic field is increased.
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