With what force will t wo electrons, 10-ºm apart, repel each other if the charge on each electron is 1,6 x 10-1⁹ C?
With what force will t wo electrons, 10-ºm apart, repel each other if the charge on each electron is 1,6 x 10-1⁹ C?
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1. With what force will t wo electrons, 10-ºm apart, repel each other
if the charge on each electron is 1,6 x 10-19 C?
2. Two pith balls with the same charge and mass 0,1 are hung on
nail by treads which are both 240mm long. The balls come to
rest 200mm apart due to the repelling force. Calculate the
charge Q on each ball.
3. Two pith balls 30 mm apart, repel each other with a force of
44 x 10-5 N
Calculate the charge in each ball
4. Calculate the electrical field strength in air at a distance 300mm
from a charge of 12 × 12⁹ C
5. Calculate the electrical field strength in air exactly halfway
between the two charges 20 x 10-8 and 5 × 10-8 C which are
200mm apart.
6. In a rectangle ABCD side AB is 40mm and BC 30mm. Calculate
the potential difference at point D if A = 10 × 10-¹², B =
-20 × 20¹2 C and C = 10
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