Like charges repel - Study guides, Class notes & Summaries

LRA 222 Week 1 Quiz | Latest Update | 2024/2025 | Graded A+ 4. With a rotating anode, the focal spot becomes a focal A. path B. stripe C. track d. circle C. track 5. The focusing cup is able to keep the electrons together because A. opposite charges repel B. opposite charges attract C. like charges repel D. like charges attract C. like charges repel 6. The stator is made up of electromagnets A. True B. False A. True 7. Prepping the rotor but not making an exposure on...

Electronics ETA Certification Practice ExamThe "triboelectric effect" causes what kind of electricity? - correct answer Static The law of static electrical charges states: - correct answer like charges repel Minute particles that make up all possible elements and still retain the unique chemical characteristics of the element are called _____________. - correct answer Atoms A molecule is the smallest particle of matter that can exist by itself. (1) - correct answer True (1) A b...

CEM 142 EXAM 1 LATEST UPDATE GRADED A+ bond BREAKING ABSORB energy from surroundings -requires energy to overcome bond FORMING RELEASE energy to surroundings effective nuclear charge charge felt by valence electrons -increase in ENC attracts electrons more strongly toward the nucleus Coulomb's Law opposite charges attract -like charges repel F=kq1q2/r^2 electron pair geometry SHAPE INCLUDING LONE PAIRS -count as bonds molecular shape not including lone pairs ...

HVAC Electrical Test Questions with Correct Answers Current flow is - Answer-the flow of electrons in the circuit impedance is - Answer-opposition to alternating current flow like charges - Answer-repel each other Any material that will readily release electrons is called - Answer-a conductor the symbol for current is - Answer-I Which of the following materials would best be suited for use as a semi-conductor - Answer-silicone the safety ground conductor is usually color cod...

Unit II- The X-Ray Circuit Exam Review Questions With Complete Solution *Nature of Electricity 1. is the study of stationary electric charges 2. is the study of charges in motion and is often considered "electricity" - ANS-1. electrostatics 2. electrodynamics -Electric Charge 1. Is a property of __ 2. Smallest unit of charges are the: 2 3. Si measurement of charge is the __: and it equals __ 4. Conductivity increases with an __ in the number of free electrons in an atom - ANS-1. ma...

Electronics ETA Certification Practice Exam 2024 Questions And Answers. The "triboelectric effect" causes what kind of electricity? Answer- Static The law of static electrical charges states: Answer- like charges repel Minute particles that make up all possible elements and still retain the unique chemical characteristics of the element are called _____________. Answer- Atoms A molecule is the smallest particle of matter that can exist by itself. (1) Answer- True (1) A basic atom must c...

PROTON - The positive particle found in the nucleus GROUP - A____ indicates the number of electrons in the outermost shell ION - A____ is an atom that has gained or lost an electron Creates radiologic image - Identify 1 important contribution from the process of ionization Natural Radiation - The greatest source of radiation expsoure on average to the US population is 4 - particles are composed of the He nucleus High/ Short - "Hard x-rays posses____ frequency &____ wavelengths...

HVAC Electrical Test 2023 Questions and Answers Current flow is - ANS ️️ the flow of electrons in the circuit impedance is - ANS ️️ opposition to alternating current flow like charges - ANS ️️ repel each other Any material that will readily release electrons is called - ANS ️️ a conductor the symbol for current is - ANS ️️ I Which of the following materials would best be suited for use as a semi-conductor - ANS ️️ silicone the safety ground conductor is usually co...

HVAC 105 Final Exam Complete Questions & Solutions(SCORED A+) By definition, electricity is the movement of charged particles called: - ANSWER Electrons Current flow is: - ANSWER Electron flow in a circuit Dynamic electricity is: - ANSWER The movement of electrons that creates current flow T/F In an electrical circuit, voltage moves amperage against resistance. - ANSWER True List the 3 elements of an electrical circuit: - ANSWER Source, Path, and Load The two categories of elec...

Current flow is - Answer-the flow of electrons in the circuit impedance is - Answer-opposition to alternating current flow like charges - Answer-repel each other Any material that will readily release electrons is called - Answer-a conductor the symbol for current is - Answer-I Which of the following materials would best be suited for use as a semi-conductor - Answer-silicone the safety ground conductor is usually color coded - Answer-black (or bare or green & yellow stripe) An electron h...