A solenoid 4.0 cm in radius and 4.0 m in length has 8 000 uniformly spaced turns and carries a current of 5.0 A. Consider a plane circular surface (radius = 2.0 cm) located at the center of the solenoid with its axis coincident with the axis of the solenoid. What is the magnetic flux through this surface? (1 Wb = 1 T × m2)
a. 63 mWb
b. 16 mWb
c. 0.25 mWb
d. 10 mWb
e. 5.0 mWb
B
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What characteristic of neutrinos other than their flavor is essential to the theory of neutron oscillation?
a. Their three different wavelengths. b. Their three different frequencies. c. Their three different electric charges (+, 0, and -). d. Their three different masses. e. Their three different colors.
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(A) 22 MPa
(B) 28 MPa
(C) 40 MPa
(D) 48 MPa
We can estimate the mass of the Galaxy from observations of its ________ curve
Fill in the blank(s) with correct word