electrostatic

Question 1

Van de Graaff generator

Answer 1

A Van de Graaff generator is an electrostatic generator which uses a moving belt to accumulate electric charge on a hollow metal globe on the top of an insulated column, creating very high electric potentials. It produces very high voltage direct current electricity at low current levels

Question 2

charge

Answer 2

-study of charge is called electrostatic.
-S.I unit : coulomb (C) =
6.25* 10^18
- smallest S.I unit: electron (e) = 1.602* 10^-19 C
-charge is quantized
- charge (q) is an integral multiple of elementary charge, i.e: q= ne

Question 3

quantization of charge means

Answer 3

exist in discrete packet

Question 4

coulombs

Answer 4

quantitative measurements of the force bw two electric
charges using an apparatus torsion balance

Question 5

coulombs law states that

Answer 5

-the magnitude of force bw 2 point charges is directly proportional to the product of the magnitude of charges
F∝q1q2
-and the magnitude of force bw 2 charges is inversley proportional to the square of distance bw them.
F∝1/r2

• by combining both equations:
  F∝q1q2/r2
  F= K q1q2/r2