Solved Problems in Electric Circuit Analysis - Charge, Voltage and Current
PRACTICE EXERCISES
#circuitanalysis
#electricalengineering
1. If the repulsive force between two equal charges separated by 1cm is 12.5x10^(−2) N, what is their charge?
Answer: 37.27nC, both (+) or both (−)
2. If the potential between two points is 200mV, and 300μJ of energy is required to move a charge of Q from one point to another, what is the value of the charge Q?
Answer: 1.5mC
3. Determine the current through a lamp if 78x10^11 electrons pass through it is 3ms?
Answer: 0.42mA
4. How long does it take 200x10^19 electrons to pass a point if he current is 10A?
Answer: 32.05s