Physics for Scientists and Engineers
6th Edition
ISBN: 9781429281843
Author: Tipler
Publisher: MAC HIGHER
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Question
Chapter 30, Problem 48P
(a)
To determine
The value of peak voltage.
(b)
To determine
The maximum voltage.
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The magnetic field in a plane electromagnetic wave is represented by the equation B = Bmax sin(ky - wt)î where Bmax = 2.94 x 10 T and k = 5.86 x 10' /m. (Assume a standard xyz right-handed coordinate system.)
(a) What is the magnitude and direction of the electric field at the instant the magnetic field is a maximum? (Express your answer in vector form.)
Emax - 88.2k
V/m
(b) What is the wavelength of the wave?
10.7
How is the wavelength of EM waves related to the wave number? nm
(c) What is the frequency of the wave?
2.80E-15
How is the frequency related to the wavelength? Hz
(a)
The magnetic field intensity H of an electromagnetic wave propagating in
free space in the z-direction is described in phasor form by H = îH¸e¯i
where B is its phase constant. Determine the corresponding electric field from
Ampere's law.
A long straight wire in air carries a current of 5 A. What is the magnetic field
intensity H at a radial distance of 5 m from the wire?
(b)
A battery of open circuit voltage 2 V and internal resistance 50 2 is connected
via a rapid switch to a transmission line of characteristic impedance 50 N
terminated in a load of 100 N. Calculate the voltage and current on the line
just after the switch is closed, explaining your answer carefully.
(c)
Chapter 30 Solutions
Physics for Scientists and Engineers
Ch. 30 - Prob. 1PCh. 30 - Prob. 2PCh. 30 - Prob. 3PCh. 30 - Prob. 4PCh. 30 - Prob. 5PCh. 30 - Prob. 6PCh. 30 - Prob. 7PCh. 30 - Prob. 8PCh. 30 - Prob. 9PCh. 30 - Prob. 10P
Ch. 30 - Prob. 11PCh. 30 - Prob. 12PCh. 30 - Prob. 13PCh. 30 - Prob. 14PCh. 30 - Prob. 15PCh. 30 - Prob. 16PCh. 30 - Prob. 17PCh. 30 - Prob. 18PCh. 30 - Prob. 19PCh. 30 - Prob. 20PCh. 30 - Prob. 21PCh. 30 - Prob. 22PCh. 30 - Prob. 23PCh. 30 - Prob. 24PCh. 30 - Prob. 25PCh. 30 - Prob. 26PCh. 30 - Prob. 27PCh. 30 - Prob. 28PCh. 30 - Prob. 29PCh. 30 - Prob. 30PCh. 30 - Prob. 31PCh. 30 - Prob. 32PCh. 30 - Prob. 33PCh. 30 - Prob. 34PCh. 30 - Prob. 35PCh. 30 - Prob. 36PCh. 30 - Prob. 37PCh. 30 - Prob. 38PCh. 30 - Prob. 39PCh. 30 - Prob. 40PCh. 30 - Prob. 41PCh. 30 - Prob. 42PCh. 30 - Prob. 43PCh. 30 - Prob. 44PCh. 30 - Prob. 45PCh. 30 - Prob. 46PCh. 30 - Prob. 47PCh. 30 - Prob. 48PCh. 30 - Prob. 49PCh. 30 - Prob. 50PCh. 30 - Prob. 51PCh. 30 - Prob. 52PCh. 30 - Prob. 53PCh. 30 - Prob. 54PCh. 30 - Prob. 55PCh. 30 - Prob. 56PCh. 30 - Prob. 57PCh. 30 - Prob. 58PCh. 30 - Prob. 59P
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