Physics Answers

1.A positive charge of 10 -8 C experiences a force of 0.25 N when located at a certain point in an electric field. Find the intensity of the electric field at that point.

C1 =3.0 uF and a C2 = 5.0 uF capacitors are connected in series with a 12-V battery. Find the equivalent capacitance

Two protons in a molecule are separated by a distance of 3.6 x 10^-10 m. Find the electrostatic force exerted by one proton on the other.

Calculate the percentage error for each of the resistor if the real values of the resistor is given as R1=100ohms

A block attached to a spring is made oscillate with initial amplitude of 8.0 cm after 2.2 minutes, the amplitude decrease to 5.0 cm calculate

Derive an expression for the logarithmic decrement of a damped oscillator

 In an electric lamp, 2.50C pass through each second. How many electrons does this represent?

A metal ball is supported on an insulating stand. You wish to place a positive charge on the ball, but you have only an object that carries a negative charge. Explain how you could accomplish your aim.

  In an electric lamp, 2.50C pass through each second. How many electrons does this represent?

Two small charged metal spheres are placed 20cm apart in air. If they have +20 x 10^-6 C and +4 x 10^-6 C charges on them respectively, what force acts on them? What is the electric field intensity halfway between them?