Electricity and Magnetism Answers

a) Define 𝟗𝒙𝟏𝟎𝟔𝒆𝑽 in meV, keV, and MeV. 

a) At which distance from a charge of q = +12nC should you place a charge of q = -3mC so that the potential energy is 5x10^-3J?

b) Two identical charges q1 and q2 form a system with a potential energy of 2000J when the separation between them is of 0.5 m. Find the magnitude of each charge. 

a) Find the electric potential of a point located at a distance of 0.8 m from a charge of q = -8mC.

b) Find the magnitude of the force exerted by the field E over a particle with a charge of q=+9x10^-9C

Find the electric potential of a point located at a distance of 0.8 m from a charge of q=8µC

An electric charge of 2 micro coulombs is immersed in an electric field, whose magnitude is E= 3*10^-2 N/C. Find the potential energy in a point located at 50 cm from a plate

a) Find the potential at a point in space located at 0.07m from a charge -50 x10^-6C. Find the potential energy if a charge +4 x10^-6C is located at that point.

a) Points A and B are at 0.05m and 0.03m from a charge +13 x10^-6C respectively. Determine the required work against the direction of the electric field to displace a charge +15 x10^-6C from point A to point B.

b) A charge q₁=+8 x10^-6C is at the origin (x=0mm), and other charge q₂=-3 x10^-6C is at x=60mm. Find the work done by the electric field if a charge q₃=-4 x10^-6C is displaced from point x=15mm to point x=5mm.

a) Find the potential energy at the midpoint from a line that joins charge -15 x10^-6C with a charge +13 x10^-6C that is located 0.08m from first charge.

b) A charge +55 x10^-9C is 0.08m at left of a charge -16 x10^-9C. Find the potential at a point located 400cm left from charge q=16 x10^-9C.