Two point charges of 2 µC and -3 µC are located 4 cm apart. Calculate the force between the charges.
A point charge of 10 µC is located at a distance of 6 cm from a test charge of 2 µC. Calculate the electric field strength at a point 4 cm from the point charge.
A point charge of +5 µC is placed at the origin of a coordinate system. What is the electric potential at a point (3,4) in the xy-plane if the potential at infinity is taken to be zero?
A parallel plate capacitor has plates of area 20 cm^2 each and a separation distance of 2 mm. If the dielectric constant is 2, what is the capacitance of the capacitor?
A capacitor has a capacitance of 10 µF and is charged to a potential difference of 100 V. What is the charge on each plate?
A spherical conductor of radius 8 cm has a charge of +6 µC distributed uniformly over its surface. Calculate the electric field at a distance of 2 cm from the surface of the conductor.
Two parallel metal plates of area 50 cm^2 each are separated by a distance of 0.1 mm. The plates are charged to a potential difference of 500 V. What is the capacitance of the capacitor formed by the plates?
A point charge of +8 µC is located at a distance of 4 cm from a second point charge of +2 µC. Calculate the electric potential energy of the system.
A parallel plate capacitor has a capacitance of 5 µF and is charged to a potential difference of 50 V. What is the energy stored in the capacitor?
A metallic sphere of radius 6 cm has a charge of -4 µC. Calculate the potential at a point 4 cm from the center of the sphere.
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