Positive charge Q is placed on a conducting spherical shell with inner radius R₁ and outer radius R₂. A point charge q is placed at the center of the cavity. The magnitude of the electric field at a point outside the shell, a distance r from the center, is: (q + Q) 4лεo (R²) 9 4πεor² Q 4лε R² Q 4лεо (R²-²) ○ (q + Q) 4лεor²

Q: Why do individuals produce antibodies to antigens they do not have?

A: Answer:- Antibodies are produced by white blood cells called B lymphocytes . When an antigen binds…

Q: A long, nonconducting, solid cylinder of radius 3.0 cm has a nonuniform volume charge density p that…

A:

Q: A charge of uniform linear density -4.16 nC/m is distributed along a long, thin, nonconducting rod.…

A:

Q: A "long" solenoid of length 6.12 m has radius 7.55 cm, 6,098 turns and carries current 796 A. A very…

A: Given solenoid length L=6.12m It's radius r=7.55cm=0.0755m Number of turns N=6098 Carrying current…

Q: Use the hybrid selection model, = ky(1 - y)(a - by), to find the percent of the population that has…

A: The given equation for hybrid selection model, Putting the values of a =2 and b= 1, The solution…

Q: A charged particle is fired into a cubical region with uniform magnetic field B. Assume that,…

A:

Q: L • VP2. A child's toy consists of a small wedge that has an acute angle u as shown above. The…

A: acuute angle =u mass =m  distance =L

Q: Solve this attachment.

A: Given The circuit shown in Figure 2 is a common source n-channel (NMOS) amplifier M1 with its drain…

Q: Explain the term isogamous.

A:

Q: Please see question in attachment. Thanks!

A: Here resistances R2 and R2 are connected parallelly, So

Q: A cyclist, starting from rest, travels in a straight line for 10 minutes. 1. During the first 2.0…

A: Given the uniform acceleration is 0.067 m.s-2 for the first two minutes. Therefore the velocity for…

Q: VP2. Draw motion diagrams for (a) an object moving to the right at constant speed, (b) an object…

A: here we have to draw motion diagrams of different situations. we sequentially draw these diagrams

Q: Refer to Multiple-Concept Example 4 for a review of the concepts that play roles in this problem.…

A: Given, a theodolite is calibrated so that it gives the correct value for a distance xc when used at…

Q: Which structures aid in the protecting the brain?

A: The brain is protected by the bones of the skull and by a covering of three thin membranes called…

Q: Which of the following can cause a woman to become pregnant?

A: We have to know about details here.

Q: The potential difference across a resting neuron in the human body is about 75.0 mV and carries a…

A:

Q: How do rods in eyes differ from cones?

A: Retina of our eyes contains light sensitive cells that are rods and cones.

Q: Where does the brain of the electrical system reside?

A: introduction: The majority of people don't appear to view the brain as electric; rather, they…

Q: The cantilevered W530x 150 beam shown is subjected to a 5.6-kN force Fapplied by means of a welded…

A: As per guidelines we are suppose to do only one question from multiple questions, kindly post the…

Q: Where does the brain of the electrical system reside?

A: Our brain is composed of networks of microscopic cells known as neurons, which communicate…

Q: The fur of polar bears consists of hollow fibers. (Sometimesalgae will grow in the hollow regions,…

A: Given: The Hollow fibers are present in the fur of polar bears, its beneficial acts are discussed…

Q: Small birds like that in (Figure 1) can migrate over long distances without feeding, storing energy…

A: We will use formulas of power, energy and work.

Q: Why do contemporary societies need robotic help?

A: Contemporary societies need robotic help for a variety of reasons. Some of the main reasons include:…

Electric Charges and Fields

One of the fundamental properties is the electromagnetic property. Charge cannot be destroyed by any process and this contributes formally to the law of charge conservation.