Charges Q1 and Q2 are uniformly distributed in two half of a sphere with radius R....

Charges Q1 and Q2 are uniformly distributed in two half of a sphere with radius R. The two halves rotate around the z-axis with each spinning in opposite directions. The half spheres have angular velocities ω1 and ω2. Using Biot Savart law, find the magnetic field at the center of the sphere.

Expert Solution

genius_generous answered 2 years ago

An isolated conducting sphere of radius R has charge Q uniformly distributed on its surface. What...

An isolated conducting sphere of radius R has charge Q uniformly distributed on its surface. What is the electric field (E) inside the conducting sphere at distance r = R/2 from center?

A charge Q is distributed in the volume of a sphere of radius R with a...

A charge Q is distributed in the volume of a sphere of radius R with a density non-uniform load cubic p = B (R - r) , where b is a constant and r is the distance to the center of the sphere determine: The values of the potential in the center and on the surface of the sphere.

Q2. A sphere of radius r and weight W is released with no initial velocity on...

Q2. A sphere of radius r and weight W is released with no initial velocity on a (C*) degrees incline and rolls without slipping. Determine: (a) the minimum value of the coefficient of static friction (µ) compatible with the rolling motion, (b) the velocity (Vb) of the center G of the sphere after the sphere has rolled (D*) meters, (c) the velocity (Vc) of G if the sphere were to move (D*) meters down a frictionless (C*) degrees incline. (g...

A solid conducting sphere of radius 2.4 cm has a charge of 23 nC distributed uniformly...

A solid conducting sphere of radius 2.4 cm has a charge of 23 nC distributed uniformly over its surface. Let A be a point 1.8 cm from the center of the sphere, S be a point on the surface of the sphere, and B be a point 5.4 cm from the center of the sphere. What are the electric potential differences (a)VS – VB and (b)VA – VB?

consider a charge Q distributed through out a sphere of radius R with a density: rho=...

consider a charge Q distributed through out a sphere of radius R with a density: rho= A(R-r) where rho is in Coulombs/m^3 0<r<R determine the constant A in terms of Q and R Calculate the electric field inside and outside of the sphere

A solid sphere of radius R, a solid cylinder of radius R, and a hollow cylinder...

A solid sphere of radius R, a solid cylinder of radius R, and a hollow cylinder of radius R all have the same mass, and all three are rotating with the same angular velocity. The sphere is rotating around an axis through its center, and each cylinder is rotating around its symmetry axis. Which one has the greatest rotational kinetic energy? both cylinders have the same rotational kinetic energy the solid cylinder the solid sphere they all have the same...

A circular ring of radius R with a total charge 2Q uniformly distributed along its circumference...

A circular ring of radius R with a total charge 2Q uniformly distributed along its circumference lies in the x y plane with its center at the origin. (a) Find the electric field at a point with coordinates (0, 0, z0). Show all steps in your calculation. Don’t forget to represent the field in vector form - magnitude and direction! (b) Find the locations along the z axis where the electric field has its largest values (don’t forget that because...

A uniformly charged non-conducting sphere of radius 12 cm is centered at x=0. The sphere is...

A uniformly charged non-conducting sphere of radius 12 cm is centered at x=0. The sphere is uniformly charged with a charge density of ρ=+15 μC/m3. Find the work done by an external force when a point charge of +20 nC that is brought from infinity on the x-axis at a distance of 1 cm outside the surface of the sphere. Given the point charge held at its final position, what is the net electric field at x=5 cm on the...

Two negative charges Q1= – 9.1 × 10 –3 C and Q2 , are separated by...

Two negative charges Q1= – 9.1 × 10 –3 C and Q2 , are separated by 350 m. A third charge is placed a distance 222 m from charge Q1 such that the resultant electric force on it due to the other two charges is zero. What is the charge of Q2?

1.) Two charges, q1 = -16.5 μC and q2 = 13.5 μC , are located at...

1.) Two charges, q1 = -16.5 μC and q2 = 13.5 μC , are located at (x,y) = (12.4, 21.2) cm and (19.6, 24.0) cm respectively. Find the electrostatic force between these two changes (take an attractive force to be negative) 2.)Two charges, q1 =-16.1 μC and q2 = 11.9 μC , are located along a straight line at x = 19.5 cm and 57.5 cm respectively. What is the electric field at a point P located at x =...

Question