If the electric field and magnetic field of an electromagnetic wave are given by E = E0 sin(kx - ?t) and B = B0 sin(kx - ?t), and if the value of E0 is 51 µV/m, what is the value of B0? (c = 3.0 x 108 m/s)
A) 1.7 × 1014 T
B) 1.7 × 103 T
C) 1.7 × 10-14 T
D) 1.7 × 104 T
E) 1.7 × 10-13 T
E
You might also like to view...
The radioactive ages of the moon rocks show that the Moon's surface solidified about _____
A) 2.5 billion years ago B) 3.4 billion years ago C) 4.4 billion years ago D) 5.5 billion years ago
Rocks solidified from molten material above ground are classified as ______________ igneous rocks
a. extrusive b. intrusive c. superior d. inferior
A very long string is tied to a rigid wall at one end while the other end is attached to a simple harmonic oscillator. Which of the following can be changed by changing the frequency of the oscillator?
a. The speed of the waves traveling along the string. b. The tension in the string. c. The wavelength of the waves on the string. d. All of the above. e. None of the above.
A long cylindrical wire (radius = 2.0 cm) carries a current of 40 A that is uniformly distributed over a cross section of the wire. What is the magnitude of the magnetic field at a point which is 1.5 cm from the axis of the wire?
A. 0.53 mT B. 28 mT C. 0.30 mT D. 40 mT E. 1.9 mT