Essential University Physics (3rd Edition)
3rd Edition
ISBN: 9780134202709
Author: Richard Wolfson
Publisher: PEARSON
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Question
Chapter 29, Problem 13E
To determine
The displacement current.
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In a region of space, the electric field is pointed along the x-axis, but its magnitude changes as described by Ex = (10 N/C) sin (20x − 500t) Ey = Ez = 0 where t is in nanoseconds and x is in cm. Find the displacement current through a circle of radius 3 cm in the x = 0 plane at t = 0 .
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Chapter 29 Solutions
Essential University Physics (3rd Edition)
Ch. 29.2 - Would you expect to find a magnetic field between...Ch. 29.5 - Prob. 29.3GICh. 29.6 - Prob. 29.4GICh. 29.7 - Prob. 29.5GICh. 29.8 - Lasers 1 and 2 emit light of the same color, and...Ch. 29 - Why is Maxwells modification of Ampres law...Ch. 29 - Prob. 2FTDCh. 29 - Is there displacement current in an...Ch. 29 - Prob. 4FTDCh. 29 - Prob. 5FTD
Ch. 29 - When astronomers observe a supernova explosion in...Ch. 29 - Turning a TV antenna so its rods point vertically...Ch. 29 - The Sun emits about half of its...Ch. 29 - An LC circuit is made entirely from...Ch. 29 - Prob. 10FTDCh. 29 - The intensity of light drops as the inverse square...Ch. 29 - Electromagnetic waves dont readily penetrate...Ch. 29 - Prob. 13ECh. 29 - Prob. 14ECh. 29 - The fields of an electromagnetic wave are E = Ep...Ch. 29 - A radio waves electric field is given by the...Ch. 29 - A light-minute is the distance light travels in 1...Ch. 29 - Your intercontinental telephone call is carried by...Ch. 29 - An airplanes radar altimeter works by bouncing...Ch. 29 - Roughly how long does it take light to travel 1...Ch. 29 - If you speak via radio from Earth to an astronaut...Ch. 29 - What are the wavelengths of (a) a 100-MHz FM radio...Ch. 29 - A 60-Hz power line emits electromagnetic...Ch. 29 - Microwave ovens for consumers use operate at 2.45...Ch. 29 - Prob. 25ECh. 29 - Prob. 26ECh. 29 - Vertically polarized light passes through a...Ch. 29 - Prob. 28ECh. 29 - Prob. 29ECh. 29 - Estimate the peak electric field inside a 1.1-kW...Ch. 29 - Prob. 31ECh. 29 - Prob. 32ECh. 29 - Your university radio station has a 5.0-kW radio...Ch. 29 - Prob. 34PCh. 29 - Youre engineering a new cell phone, and youd like...Ch. 29 - Prob. 36PCh. 29 - The medical profession divides the ultraviolet...Ch. 29 - Prob. 38PCh. 29 - Prob. 39PCh. 29 - A polarizer blocks 75% of a polarized light beam....Ch. 29 - Prob. 41PCh. 29 - Unpolarized light of intensity S0 passes first...Ch. 29 - Prob. 43PCh. 29 - Prob. 44PCh. 29 - High microwave intensities can cause biological...Ch. 29 - Use the fact that sunlight intensity at Earths...Ch. 29 - A quasar 10 billion light-years from Earth appears...Ch. 29 - Prob. 48PCh. 29 - Prob. 49PCh. 29 - Find the peak electric and magnetic fields 1.5 m...Ch. 29 - A typical fluorescent lamp is a little more than 1...Ch. 29 - Prob. 52PCh. 29 - A laser produces an average power of 7.0 W in a...Ch. 29 - Prob. 54PCh. 29 - A 65-kg astronaut is floating in empty space. If...Ch. 29 - Prob. 56PCh. 29 - A white dwarf star is approximately the size of...Ch. 29 - Use appropriate data from Appendix E to calculate...Ch. 29 - Prob. 59PCh. 29 - Prob. 60PCh. 29 - In a stack of polarizing sheets, each sheet has...Ch. 29 - Prob. 62PCh. 29 - Prob. 63PCh. 29 - Maxwells equations in a dielectric resemble those...Ch. 29 - Prob. 65PCh. 29 - Your roommates father is CEO of a coal company, so...Ch. 29 - The Voyager I spacecraft is now beyond the outer...Ch. 29 - Prob. 68PCh. 29 - Prob. 69PCh. 29 - The table below shows the intensity of the radio...Ch. 29 - If a sunlight-powered sailing spacecraft...Ch. 29 - Prob. 72PPCh. 29 - A sail capable of propelling a spacecraft to the...Ch. 29 - Prob. 74PP
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- In a region of space, the electric field is pointed along the x-axis, but its magnitude changes as described by Ex=(10N/C)sin(20x500t)Ey=Ez=0 where t is in nanoseconds and x is in cm. Find the displacement current through a circle of radius 3 cm in the x = 0 plane at I = 0.arrow_forwardThe potential difference V(t) between parallel plates shown above is instantaneously increasing at a rate of 107V/s. What is the displacement current between the plates if the separation of the plates is 1.00 cm and they have an area of 0.200m2?arrow_forwardA plane electromagnetic wave travels northward. At one instant, its electric field has a magnitude of 6.0 V/m and points eastward. What are the magnitude and direction of the magnetic field at this instant?arrow_forward
- If the electric field of an electromagnetic wave is oscillating along the z-axis and the magnetic field is oscillating along the x-axis, in what possible direction is the wave traveling?arrow_forwardAn incandescent light bulb emits only 2.6 W of its power as visible light. What is the rms electric field of the emitted light at a distance of 3.0 m from the bulb?arrow_forwardAn electromagnetic wave with a peak magnetic field magnitude of 1.50 107 T has an associated peak electric field of what magnitude? (a) 0.500 1015 N/C (b) 2.00 105 N/C (c) 2.20 104 N/C (d) 45.0 N/C (e) 22.0 N/Carrow_forward
- A uniform electric field is increasing at a constant rate over time. If the displacement current through a 1.0 cm2 surface area perpendicular to the electric field vector is 3.0 nA, find the rate at which the electric field changes.arrow_forwardA 0.102-A current is charging a capacitor that has square plates 5.60 cm on each side. The plate separation is 4.00 mm. (a) Find the time rate of change of electric flux between the plates. V.m/s (b) Find the displacement current between the plates. Aarrow_forwardAn electron has an initial velocity of (10.5j + 13.0k) km/s and a constant acceleration of (1.30×10¹2 m/s²)i in a region in which uniform electric and magnetic fields are present. If B = (400μT)i, find the electric field E Ex? Ey? Ez?arrow_forward
- What capacitance, in μF, has its potential difference increasing at 9.0×105 V/s when the displacement current in the capacitor is 0.60 A ?arrow_forwardA 0.112-A current is charging a capacitor that has square plates 5.20 cm on each side. The plate separation is 4.00 mm. (a) Find the time rate of change of electric flux between the plates.(in V·m/s) (b) Find the displacement current between the plates. (in A)arrow_forwardWhen an electric current flows through the filament of an incandescent light bulb, it gets very hot and glows (or incandesces). Consider a particular bulb with a filament with 140 Ω resistance which carries a current of 1.00 A. Assume the length of the filament is L = 9.00 cm long with a radius of r = 0.900 mm. (a) Calculate the Poynting vector (in kW/m2) at the surface of the filament, associated with the static electric field producing the current and the current's static magnetic field. magnitude: ? kW/m2 direction: Radially inward or outward? (b) Find the magnitudes of the static electric field (in kV/m) and static magnetic field (in µT) at the surface of the filament. electric field: ? kV/m magnetic field: ? µTarrow_forward
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