A spherical conductor of radius 10 cm has a charge of 3.2*10^-7 C distributed uniformly. What is the magnitude of electric field at a point 15 cm from the centre of the sphere ?
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A spherical conductor of radius 10 cm has a charge of 3.2*10^-7 C distributed uniformly. What is the magnitude of electric field at a point 15 cm from the centre of the sphere ?
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- The figure shows a section of a long, thin-walled metal tube of radius R = 8.29 cm, with a charge per unit length λ = 0.215 × 10-8 C/m. What is the magnitude E of the electric field at radial distance (a) r = 3.88 cm and (b) r = 22.2 cm.A conducting sphere is placed within a conducting spherical shell. The conductors are in electrostatic equilibrium. The inner sphere has a radius of 1.50 cm, the inner radius of the spherical shell is 2.25 cm, and the outer radius of the shell is 2.75 cm. The inner sphere has a charge of 228 nC and the spherical shell has zero net charge. What is the electric field at a point 3.80 cm from the center? Enter a positive answer if the electric field is directed away from the center and a negative answer if the electric field is directed toward the center.A positive charge Q1 = 37.5 nC is located at the origin. A negative charge Q2 = -9.5 nC is located on the positive x-axis p = 3 cm from the origin. Calculate the location, x, on the x-axis, in centimeters, where the electric field is equal to zero.
- In the figure a thin glass rod forms a semicircle of radius r = 5.94 cm. Charge is uniformly distributed along the rod, with +q = 4.76 pc in the upper half and -q = -4.76 pC in the lower half. What is the magnitude of the electric field at P, the center of the semicircle? Number i Units + PA spherical conductor of radius 4.07 mm carries a total charge of 6.23 nC. What is the magnitude of the electric field at a distance of 7.09 mm from the center of the sphere? (k = 1/(4л) = 8.99 × 10⁹ N-m²/C²)