Electric Charge PDF
Document Details
Uploaded by Deleted User
Tags
Summary
These notes explain the concept of electric charge, including the transfer of electrons, the properties of protons, electrons, and neutrons, and the law of conservation of charge. The document also defines the SI unit of electric charge, the coulomb, and introduces the quantized nature of charge.
Full Transcript
# 1.21 Electric Charge Charging: the transfer of electron particles. * **Electric charge:** * **Positive:** (Proton) * **Negative:** (Electron) * **Neutrons:** have equal amounts of proton and electron that they cancel each other, thus neutrons have no charge. Objects with equal amounts of...
# 1.21 Electric Charge Charging: the transfer of electron particles. * **Electric charge:** * **Positive:** (Proton) * **Negative:** (Electron) * **Neutrons:** have equal amounts of proton and electron that they cancel each other, thus neutrons have no charge. Objects with equal amounts of proton and electrons are said to be neutral. ## Law of Electric Charge States that like charges repel and opposite charges attract. + repel + - attract - ## SI Unit Unit of electric charge: **C** (Coulomb) 1C = 1A.s ampere.sec. ## Electric Charge Symbol: qe= -e qp= +e e = 1.602 x 10⁻¹⁹C (constant no) ## Law of Conservation of Charge In 1752, Benjamin Franklin stated that: Charge cannot be created or destroyed, it’s simply transferring from an object to another. ## Quantized Charge Means that charge cannot be 2.81e; it can only be a whole number e. * -3e * +1.25e * +e * X * -3.3e * +1.25e * +4.85e However it's value can be a decimal/fraction. So, no. of e has to be a whole number.
