A long coaxialcable consists of an inner cylindrical conductor with radius a and an outer coaxial cylinder with inner radius b and outer radius c. The outer cylinder is mounted on insulating supports and has no net charge. The inner cylinder has a uniform positive charge per unit length lambda.
Calculate themagnitude of th
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Theelectric field outside a uniformly charged, infinite cylindrical conductor is the same as if the cylinder's charge were concentrated in a thin wire along the cylinders axis. Moreover, the potential inside a uniformly charged infinite cylindrical pipe like that inside a spherical shell is co
1- Find the characteristic impedance for a coaxialcable with an inductance of 64 nH/ft and a capacitance of 43 pF/ft.
2- A coaxialcable has an inner diameter of its outer conductor of 0.5 in. The outer diameter of its inner conductor is 0.1 in. Thecable is filled with Teflon. Find the characteristic impedance.
3- A coax
A. A long straight cable with radius R carries a current uniformly distributed through its circular cross section. Find the self-inductance per unit length of thecable. Hint: find B inside and outside, then find energy everywhere and relate to the self-inductance (per unit length)
B. This cable is now modified to have an ins
A coaxialcable consists of a wire of radius 'a' surrounded by a concentric conducting sleeve of inner radius 'b' and outer radius 'c'.
A current flows in the wire of radius 'a' out of the page; this current is spread uniformly over the cross section of the wire. An equal current flows in the opposite direction in the sleeve;
1. A point charge q produces an electric field of magnitude 90.5 N/C at a distance of 1.68 m. If the field is directed towards the charge, what is the value of q?
2. When the plates of a radio capacitor are charged with 0.18 mC, the potential between them is 9.0 V. What is thecapacitance?
3. A pair of parallel plates is s
Point charges q1=- 5.00 nC and q2=+ 5.00 nC are separated by distance 3.80 mm, forming an electric dipole.
A) Find themagnitude of theelectric dipole moment in Cm.
B) The charges are in a uniform electric field whose direction makes an angle 36.5 degrees with the line connecting the charges. What is themagnitude of this
A +3.0 charge is at and a -1.0 charge is at .
At what point or points on the x-axis is theelectric potential zero?
X = ___________ cm
A -2.0 charge and a +2.0 charge are located on the x-axis at and , respectively.
At what position or positions on the x-axis is theelectric field zero?
At what position or pos