PHYSICS TEST #ELECTRIC CHARGE AND COULOMB’S LAW# M.M. 20
1. State coulomb’s law and give its form in term of position vectors of charges. 3
2. Define superposition principle. 2
3. Give expression for electrostatics force due a uniformly charged line ,area and volume. 5
4. The nucleus of iron atom contains 26 protons.What repulsive electrostatic force acts between two protons in such a nucleus if they are 4*10^-15m apart? 5
5. Equal charges of 20 micro coulomb are placed at x= 0,2,4,8,16 cm on x-axis. Find the force experienced by the charge at x=2cm. 5
Vishaleasyphysics.blogspot.in



PHYSICS TEST #ELECTRIC CHARGE AND COULOMB’S LAW# M.M. 20
1. State coulomb’s law and give its form in term of position vectors of charges. 3
2. Define superposition principle. 2
3. Give expression for electrostatics force due a uniformly charged line ,area and volume. 5
4. The nucleus of iron atom contains 26 protons.What repulsive electrostatic force acts between two protons in such a nucleus if they are 4*10^-15m apart? 5
5. Equal charges of 20 micro coulomb are placed at x= 0,2,4,8,16 cm on x-axis. Find the force experienced by the charge at x=2cm. 5
Vishaleasyphysics.blogspot.in