Electric charge — measured in?
Coulombs (C).
Coulomb’s Law — describes?
Force between two point charges.
Electric current — unit?
Ampere (A).
Electric charge — definition?
Property causing electromagnetic forces, measured in coulombs.
Protons vs electrons — difference?
Protons positive, electrons negative charges.
Conservation of charge — principle?
Charge cannot be created or destroyed.
Coulomb’s Law — describes?
Force between two point charges.
Charge quantization — fundamental unit?
Elementary charge e ≈ 1.6×10⁻¹⁹ C.
Electric conductors vs insulators — difference?
Conductors allow charge flow; insulators resist.
Electric field — definition?
Force per unit charge around a charge.
Answer 9 questions on Fundamentals of Electric Charges and Fields.
1. What is electric charge?
2. What is the approximate value of Coulomb’s constant (k) used in Coulomb’s Law?
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