[Answered] An air-filled 39.1 H solenoid has a length 4.0 cm and cross-sectional area 0.60 cm2. How many turns ...

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Author Question: An air-filled 39.1 H solenoid has a length 4.0 cm and cross-sectional area 0.60 cm2. How many turns ... (Read 71 times)

sheilaspns

Hero Member
Posts: 567

on: Jul 29, 2018

An air-filled 39.1 H solenoid has a length 4.0 cm and cross-sectional area 0.60 cm2. How many turns are in this solenoid?

A)

1200
B)

12
C)

120
D)

144
E)

21000

Question 2

A harmonic wave has a wavelength of 2.0 m and a frequency of 5.0 Hz. What is the speed of the wave?

A)

10 m/s

B)

0.40 m/s

C)

0.50 m/s

D)

0.10 m/s

E)

2.5 m/s

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Marked as best answer by a Subject Expert

medine

Sr. Member
Posts: 344

Reply #1 on: Jul 29, 2018

Answer to Question 1

D

Answer to Question 2

A

sheilaspns

Hero Member
Posts: 567

Reply #2 on: Jul 29, 2018

medine

Sr. Member
Posts: 344

Reply #3 on: Jul 29, 2018

You're welcome

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Author Question: An air-filled 39.1 H solenoid has a length 4.0 cm and cross-sectional area 0.60 cm2. How many turns ... (Read 71 times)

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