Electrostatic fields - Study guides, Class notes & Summaries

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...

ASA AMT general oral questions with correct answers what is the basic unit of voltage - ANSWER-the volt what is the basic unit of current - ANSWER-the amp what is the basic unit of resistance - ANSWER-The ohm. which law of electricity is the most important for an aircraft mechanic to know - ANSWER-Ohm's law what are the five sources of electrical energy - ANSWER-magnetism chemical energy light heat and pressure what are the three elements of Ohm's law - ANSWER-voltage current and r...

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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...

A-level PHYSICS 7408/3BD Paper 3 Section B Turning points in physics Mark scheme June 2024 Version: 1.0 Final Mark schemes are prepared by the Lead Assessment Writer and considered, together with the relevant questions, by a panel of subject teachers. This mark scheme includes any amendments made at the standardisation events which all associates participate in and is the scheme which was used by them in this exa...

HESI EXIT EXAM STUDY VERIFIED QUESTIONS AND ANSWERS 2023 LATEST UPDATE GRADED A A radiographer prepares to perform an AP projection of the distal femur on a patient with a suspected femoral fracture. Which represents the best approach for positioning both the patient and the x-ray tube? A. Rotate the leg 15 degrees medially; place the cathode end of the tube toward the foot. B. Rotate the leg 15 degrees medially; place the anode end of the tube toward the foot. C. Do not rotate the l...

GROL Element 3: Complete Study Guide and Practice Questions for General Radiotelephone Operator License The product of the readings of an AC voltmeter and AC ammeter is called: Apparent power What is the term used to express the amount electrical energy stored in an electrostatic field? Joules What formula would determine the inductive reactance of a coil if frequency and coil inductance is known? Xl=2pi(fL) What determines the strength of a magnetic field around a conductor? The am...

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 ...

Chapter 1 description & Electronics Technician Exam 89 Questions with Verified Answers Electricity - CORRECT ANSWER Energy due to electric charges at rest or in motion that can be transmitted to produce effects such as heat, light, motion or sound. Electric Charge - CORRECT ANSWER An electrical property of matter that creates electric and magnetic forces and interactions. Positive (+) - CORRECT ANSWER An electric field lacking electrons. Negative (-) - CORRECT ANSWER An electric fiel...

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 polarized, An electrolytic capacitor will p...