Electrostatic fields Study guides, Revision notes & Summaries

Stable systems form when? - The attractive forces and the repulsive forces are equal. Claim, evidence and reasoning for the existence of negatively charged particles in an atom. - Claim: Electron's are negatively charged particles of an atom. Evidence: JJ's cathode ray. Electron's were ejected from the cathode, regardless of what the cathode was made of. Reasoning: Electrons must be negatively charged because they accelerate towards the anode. Claim, evidence and reasoning for the exist...

Plasma Physics Exam 2024 1.5 Plasma Frequency The plasma frequency, 2 = ne2 , (1.5) ωp ǫ0 m is the most fundamental time-scale in plasma physics. Clearly, there is a different plasma frequency for each species. However, the relatively fast electron frequency is, by far, the most important, and references to “the plasma frequency” in text-books invariably mean the electron plasma frequency. It is easily seen that ωp corresponds to the typical electrostatic oscillation frequency of a...

Dale Crane General 2023 Updated Exam What constitutes a capacitor? - ANSWER- Two conductors separated by an insulator. What is the purpose of a capacitor? - ANSWER- It stores electrical energy in electrostatic fields. Does a capacitor in an AC cause the current to lead or lag the voltage? - ANSWER- It causes the current to lead the voltage. What is the basic unit of capacitance? - ANSWER- The farad. Why should electrolytic capacitors not be used in an AC circuit? - ANSWER- They are ...

Summary of IEB Physical Electric Fields section.

ALPHA PARTICLE - nucleus of a helium atom, consisting of 2 protons and 2 neutrons, having a positive charge of 2. ANNIHILATION - total transformation of matter into energy; occurs after the anti-matter positron collides with an electron. ATOM - smallest division of an element that exhibits all the properties and characteristic of the element. BECQUEREL (Bq) - unit of activity in the International System. 1 Bq = 1 dps BETA PARTICLE - electron whose point of origin is th...

Identify and explain the similarities and differences between atoms, molecules, elements, and compounds - Atoms: the smallest unit of ordinary matter that forms a chemical element Molecules: electrically neutral group of two or more atoms held together by chemical bonds. Elements: consists only of the same atoms, with the same number of protons Compounds: a chemical substance composed of atoms from 2+ elements held together by chemical bonds Make an argument(claim, evidence, reasoning) for...

1. Light 2. Radio Waves 3. Microwaves 4. IR Radiation (IR) 5. Ultraviolet rays 6. X-rays 7. Gama Rays Electromagnetic Spectrum 1. Source 2. Susceptible Device 3. Coupling Path Three essential elements to any EMC Problem Conducted coupling may effect electronic devices through Input signal lines, output signal lines, Utility or premise electrical power distribution. Internal EMI sources are typically Electrical power supplies Electrical power cables Rectifiers ...

what is the basic unit of voltage Correct Answer: the volt what is the basic unit of current Correct Answer: the amp what is the basic unit of resistance Correct Answer: The ohm. which law of electricity is the most important for an aircraft mechanic to know Correct Answer: Ohm's law what are the five sources of electrical energy Correct Answer: magnetism chemical energy light heat and pressure what are the three elements of Ohm's law Correct Answer: voltage current and re...

Dale Crane General 2023 Updated Exam What constitutes a capacitor? - ANSWER- Two conductors separated by an insulator. What is the purpose of a capacitor? - ANSWER- It stores electrical energy in electrostatic fields. Does a capacitor in an AC cause the current to lead or lag the voltage? - ANSWER- It causes the current to lead the voltage. What is the basic unit of capacitance? - ANSWER- The farad. Why should electrolytic capacitors not be used in an AC circuit? - ANSWER- They ar...

Dale Crane General 2023 Updated Exam What constitutes a capacitor? - ANSWER- Two conductors separated by an insulator. What is the purpose of a capacitor? - ANSWER- It stores electrical energy in electrostatic fields. Does a capacitor in an AC cause the current to lead or lag the voltage? - ANSWER- It causes the current to lead the voltage. What is the basic unit of capacitance? - ANSWER- The farad. Why should electrolytic capacitors not be used in an AC circuit? - ANSWER- They are ...