What is the magnetic moment of a rectangular loop of 120 turns that carries 6.0 A if its dimensions are 40. mm × 8.0 cm?
What will be an ideal response?
2.3 A-m2
Physics & Space Science
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The Sun makes most of its energy by the CNO cycle
a. True b. False Indicate whether the statement is true or false
Physics & Space Science
What proportion of their lives do stars spend fusing hydrogen to helium in their cores?
A) 90% B) 70% C) 50% D) 10%
Physics & Space Science
Monochromatic light of wavelength 500 nm is incident normally on a grating. If the third-order maximum of the diffraction pattern is observed at 32° from the centerline, what is the distance between the slits of the grating?
A) 0.93 ?m B) 1.4 ?m C) 2.8 ?m D) 8.5 ?m
Physics & Space Science
What is the Q of the reaction 
The rest mass of the proton is 938 MeV/c2 and of the neutral point is 135 MeV/c2
A. 187 MeV B. 135 MeV C. 938 MeV D. -187 MeV E. -135 MeV
Physics & Space Science