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
Some mangrove islands in the Florida Keys, which number in the thousands, are convenient places to t
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