A capacitor consists of two parallel circular plates of radius r. The capacitor has capacitance C and is being charged in a simple circuit loop. The circuit has an initial current Io and consists of the capacitor, a battery with voltage V, and a resistor with resistance R, as shown in (Figure 1). Figure 1 of 1 > Part A What is the magnetic field in the middle of the capacitor plates at a distance d from the center, as a function of time t? Give your answer in terms of d, r, Io, t, R, C, and any necessary constants. > View Available Hint(s) B(d, t) = for Part A Hodlo e Provide Feedback RC Your answer either contains an incorrect numerical multiplier or is missing one. No credit lost. Try again. undo for Part A redo for Part A reset for Part A keyboard shortcuts for Part A help for Part A Symbols Submit Previous Answers Part B Complete previous part(s) Review I Constants Next >

A capacitor consists of two parallel circular plates of radius r. The capacitor has capacitance C and is being charged in a simple circuit loop. The circuit has an initial current Io and consists of the capacitor, a battery with voltage V, and a resistor with resistance R, as shown in (Figure 1). Figure 1 of 1 > Part A What is the magnetic field in the middle of the capacitor plates at a distance d from the center, as a function of time t? Give your answer in terms of d, r, Io, t, R, C, and any necessary constants. > View Available Hint(s) B(d, t) = for Part A Hodlo e Provide Feedback RC Your answer either contains an incorrect numerical multiplier or is missing one. No credit lost. Try again. undo for Part A redo for Part A reset for Part A keyboard shortcuts for Part A help for Part A Symbols Submit Previous Answers Part B Complete previous part(s) Review I Constants Next >

Glencoe Physics: Principles and Problems, Student Edition

1st Edition

ISBN:9780078807213

Author:Paul W. Zitzewitz

Publisher:Paul W. Zitzewitz

Chapter24: Magnetic Fields

Section: Chapter Questions

Problem 102A

See similar textbooks

Similar questions

An electron moving with a velocity v=(4.0i+3.0j+2.0k)106m/s enters a region where there is a uniform electric field and a uniform magnetic field. The magnetic field is given by v=(1.0i2.0j+4.0k)102T. If the electron travels through a region without being deflected, what is the electric field?
The magnetic flux through the loop shown in the accompanying figure varies with time according to m=2.00e3tsin(120t) , where m is in milliwebers. What are the direction and magnitude of the current through the 5.00 resistor at (a) t= 0; (b) t=2.17102 s and (c)t=3.00 s?
A 10-A current flows through the wire shown. What is the magnitude of the magnetic field due to a 0.5-mm segment of wire as measured at (a) point A and (b) point B?
If electric and magnetic field strengths vary sinusoidally in time at frequency 1.00 GHz, being zero at t=0, then E=E0sin2ft. (a) When are the field strengths next equal to zero? (b) 4Jhen do they reach their most negative value? (c) How much time is needed for them to complete one cycle?
The accompanying figure shows a metal disk of inner radius r1 and other radius r2 rotating at an angular velocity while in a uniform magnetic field directed parallel to the rotational axis. The brush leads of voltmeter are connected to the dark's inner and outer surfaces as shown. What is the reading of the voltmeter ?
(a) An oxygen16 ion with a mass at 2.661026kg travels at 5.00106m/s perpendicular to a 1.20T magnetic field, which makes it move in a circular arc with a 0.231-m radius. What positive charge is on the ion? (b) What is the radio of this charge to the charge of an electron? (c) Discuss why the radio found in (b) should be an integer.
What is the magnetic field at P due to the current I in the wire shown?
The current density in the long, cylindrical wire shown in the accompanying figure varies with distance r from the center of the wire according to J = cr. where c is a constant (a) What is the current through the wire? (b) What is the magnetic field produced by this current for r < R? For rR ?
Check your Understanding Themagneticfield shown below Is confined to the cylindrical region shown and is changing withtime. Identity those paths for which =EdI0 .
A 0.50-kg copper sheet drops through a uniform horizontal magnetic field of 1.5 T, and it reaches a terminal velocity of 2.0 m's. (a) What is the net map,-, eh: force on the sheet after it reaches terminal velocity? (b) Describe the mechanism responsible for this force, (c) How much power is dissipated as Joule heating while the sheet moves at terminal velocity?
A charge of 4.0C .s distributed uniformly around a thin ring of insulating material. The ring has a radius of 0.20 m and rotates at 2.0104 rev/min around die axis that passes through its center and is perpendicular to the plane of the ring. What is the magnetic field at the center of the ring?
A conducting sheet lies in a plane perpendicular to a magnetic field B that is below the sheet. If B oscillates at a high frequency and the conductor is made of a material of low resistivity, the region above the sheet is effectively shielded from B . Explain why. Will the conductor shield this region from static magnetic fields?