Author Question: The first solenoid has 2 times the diameter, 2 times the number of turns, and 2 times the length of ... (Read 91 times)

washai

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The first solenoid has 2 times the diameter, 2 times the number of turns, and 2 times the length of the second solenoid. Which solenoid has the greater inductance and by what factor?
 a. the first solenoid by a factor of 8
  c. the first solenoid by a factor of 16
  b. the second solenoid by a factor of 8
  d. the second solenoid by a factor of 32

Question 2

A musical tone, sounded on a piano, has a frequency of 820 Hz and a wavelength in air of 0.400 m. What is the wave speed?
 a. 587 m/s
  c. 235 m/s
  b. 328 m/s
  d. 170 m/s



randomguy133

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Answer to Question 1

A

Answer to Question 2

B



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