A semiconductor material - Study guides, Class notes & Summaries

Solar Noon correct answers The time of day where the Sun is directly overhead Azimuth correct answers The direction that your solar panel is oriented. Generally south facing for the norther lattitudes such as the US semiconductor correct answers In a photovoltaic device, the material that readily absorbs photons to generate charge carriers (free electrons or holes). AC correct answers See alternating current. ambient temperature correct answers The temperature of the surrounding area...

voltage is stepped up or stepped down by only a small amount and sent to the _______ side of the high voltage step up transformer primary where is the timer in the X-ray circuit? between autotransformer and high voltage transformer mAs timers are used with __________ generators falling load AEC fixed kVp, controlled mAs positioning must be perfect what is the shortest time with AEC? 1 ms falling load generator RT sets mAs and kVp when max heat load of t...

Current - ANSWERRate of flow of charge Coulomb - ANSWERThe amount of charge passing a point when a current of 1A flows for 1s Potential difference - ANSWERThe work done per unit charge in moving a small point positive charge between two points Threshold Voltage for a Diode - ANSWERThe voltage at which a current will begin to flow at, assumed to be +0.6V if not stated Reverse Bias - ANSWERWhen very little currency can flow in the reverse direction of a diode Variable Resistor - ANS...

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...

Test Bank For Financial Accounting 3rd Edition By Christopher Burnley. ACCOUNT CLASSIFICATION AND PRESENTATION Normal Account Title Classifi cation Financial Statement Balance A Accounts Payable Current Liability Statement of Financial Position Credit Accounts Receivable Current Asset Statement of Financial Position Debit Accumulated Depreciation— Plant Asset—Contra Statement of Financial Position Credit Buildings Accumulated Depreciation— Plant Asset—Contra Statement of Financi...

current flow is? The flow of electrons in the circuit. Impedance is? Opposition to alternating currentflow. Like Charges? Repel each other Any material that will readily release electrons is called A conductor The symbol for Current is I Which of the following material would be best suited for use as a semiconductor? Silicone The safety ground conductor is usually color coded Green and bare. An Electron has Has a negative charge Resistance is opposition to current flow How many...

MATSE 201 Final Exam Questions With Answers When a material acquires heat, it will gain kinetic energy in the form of quantized vibrations called _____________. A) thermal shock B) thermal conductivity C) phonons D) photons C) phonons The relationship between heat transferred to and absorbed by a substance is given by, Q=m•c•∆T. Which of the following is a major assumption for that relationship? A) No change in dimension over temperature range of ∆T B) No phase change ov...

NCTI Installer Technician 100% SOLUTION 2023//2024 20 milliamperes is the same as ________. (Remember, 1 milliampere = 0.001 ampere.) - ANSWER 0.02 amperes The orbital shell that has a maximum electron capacity of 18 electrons is the ___________ shell. - ANSWER Third A semiconductor material - ANSWER Has four valence electrons. The major factor for determining whether a particular element is a conductor, a semiconductor, or an insulator is - ANSWER The number of electrons in the va...

Both residential and commercial solar photovoltaic systems operate on the same principle and both pose similar dangers, the greatest hazard of which is ____? correct answers direct current (DC) shock The residential system generally is smaller and may contain fewer safety features than the larger commercial system. Most photovoltaics are made primarily of ____?, the second most abundant element in the earth's crust, and the same semiconductor material used for computers. correct answers S...

Silicon is widely used as a semiconductor because it - ANSWERwithstands heat Which of the following can be thought of as an AC switch? - ANSWERDiac The term solid state refers to_____________ - ANSWERthe use of semiconductor material in electronic components Which of the following makes the best conductor? - ANSWERAluminum What is the name given to the areas where P-type materials join N-type materials to form a diode? - ANSWERGate junction The two basic types of diodes are the si...