A circular loop of radius 0.10 m is rotating in a uniform magnetic field of 0.20 T. Find the magnetic flux through the loop when the plane of the loop and the magnetic field vector are parallel
A)
zero
B)
3.1 × 10-3 T?m2
C)
5.5 × 10-3 T?m2
D)
6.3 × 10-3 T?m2
E)
9.2 × 10-3 T?m2
A
You might also like to view...
The Drake equation now tells us that the number of technological civilizations in our Galaxy at this time is:
A) only our own. B) five to ten at most. C) perhaps 3,000. D) millions. E) not known; insufficient data to compute.
Standing Sound Waves: A pipe of length L that is closed at one end and open at the other end is resonating at its fundamental frequency. Which statement about the sound is correct?
A. The wavelength is 4L and there is a displacement node at the pipe's open end. B. The wavelength is 4L and there is a displacement antinode at the pipe's open end. C. The wavelength is L and there is a displacement node at the pipe's open end. D. The wavelength is L and there is a displacement antinode at the pipe's open end.
In circular aperture diffraction, how does the diameter of the hole affect the diffraction pattern?
A. The smaller the hole the narrower the central maximum. B. The smaller the hole the wider the central maximum. C. The smaller the hole the smaller the angle to the first dark fringe. D. The hole diameter does not affect the pattern.
The Bohr model pictures a hydrogen atom in its ground state as a proton and an electron separated by the distance a0 = 0.529 × 10^?10 m. The electric potential created by the electron at the position of the proton is
a. ?13.6 V. b. +13.6 V. c. ?27.2 V. d. +27.2 V. e. +5.12 × 10^9 V.