Current electricity - Study guides, Revision notes & Summaries

The movement of electrons from one atom to another along a conductor is called - Electricity Electric wires can be covered with a material that does not transmit electricity, such as rubber or plastic coating. This material is known as a(n) - Insulator An apparatus that changes direct current to alternating current is a(n) - Inverter The term __________ current refers to a rapid and interrupted current, flowing first in one direction and then in the opposite direction - Alternating The uni...

Solar Photovoltaics (PV) Installation Exam | Questions & Answers (Rated A+) Solar Photovoltaics (PV) Installation Exam | Questions & Answers (Rated A+) What is the definition of photovoltaics (PV)? - ANSWER - the science of turning sunlight directly into electricity What does the abbreviation "PV" stand for? - ANSWER - Photons of light and Volts of electricity (photovoltaic) What do PV modules consist of? What are these typically made of? - ANSWER - solar cells; silicon What is si...

GFCI stands for... - Answer-Ground Fault Circuit Interrupter T/F A galvanic isolator WILL block stray AC. - Answer-False. A galvanic isolator WILL NOT block AC. It will only blocks stray DC that is moving through the green grounding conductor. T/F An isolation transformer makes a galvanic isolator unnecessary. - Answer-True. An isolation transformer works through electromagnetic _________. - Answer-Induction A reverse polarity indicator is placed between which two wires? Why? - Answer-White...

Accumulated Depreciation - ANSWERSThe total decrease in an item's value over a period of time. Formula:(Annual Depreciation x Number ofyears used) 1-J Acreage Reporting Date - ANSWERSThe deadline for providing the insurer with an acreage report, which is used to determine the amount of coverage needed and the premium charged for a particular crop. 3-E Actual Cash Value (ACV) - ANSWERSA valuation method used by insurers to reflect an item's current market value right before being damaged ...

Fire Investigator TCFP Exam| 500+ Practice Questions and Verified Answers| 2023/ 2024 Update Q: What is the ability of a structural assembly to maintain its load-bearing capacity and structural integrity under fire conditions Answer: A.) Fire resistance Q: What would most likely need to happen for the fuel-gas product to ignite in the piping system Answer: C.) Leak from the system Q: What can the fire investigator conclude when the electrical safety devices operated ...

GCSE COMBINED SCIENCE: TRILOGY 8464/P/1H Physics Paper 1H Version: 1.0 Final *JUN238464P1H01* IB/M/Jun23/E6 8464/P/1H For Examiner’s Use Question Mark 1 2 3 4 5 6 TOTAL Thursday 25 May 2023 Morning Time allowed: 1 hour 15 minutes Materials For this paper you must have: • a ruler • a scientific calculator • the Physics Equations Sheet (enclosed). Instructions • Use black ink or black ball-point pen. • Pencil should be used for drawing. • Fill in the boxes...

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