Diode Study guides, Revision notes & Summaries

ETA Fiber Optics Certification Exam Questions and Answers Light is electromagnetic energy with a _________ frequency and a ________ wavelength compared to radio waves. - ANSWER Higher, Shorter What type of light is used in Fiber Optic Transmissions - ANSWER Infrared or IR What are the four items needed for a Fiber Optic System to work? - ANSWER Transmitter, Fiber Cable, Receiver, Connectors 1mW is the same as what in dBM? - ANSWER 0 or absolute power ...

Progression: Field Tech IV - V Conventional Questions and Answers 100% Pass Which of the following is most typical of a broadband network? Multiple analog channels What components are common to all computer systems? (Check all that apply.) Processor Memory Storage I/O What does I/O stand for? Input / Output A NIC is a device used for: Signaling A sound card is what general type of computer component? Input/output Which of the following is managed by the OS? Keyboard input Screen display Fi...

Radiant Energy (Q) correct answers Energy that is emitted, transferred or received. Measured in Joules (J) Radiant Power correct answers Power emitted, transferred, or received in the form of radiation. Measured in Watts (W) Irradiance (E) correct answers (Power Density) Radiant power striking a surface divided by the surface area W/cm2 Radiant Exposure (H) correct answers (Energy Density) Energy striking a surface divided by the surface area exposed J/cm2 What does Laser stand for? ...

APPLIED SCIENCES ASSIGNMENT ELECTRICITY UNIT 15 A AND B COURSEWORK. UNIT 15: ELECTRIC CIRCUITS AND THEIR APPLICATIONS COMPONENTS SYMBOLS Cell Battery Switch (open switch) (closed switch) Filament lamp/ bulb Resistor Thermistor Light emitting diode (LED) Light dependent resistor(LDR) Rheostat Capacitor Voltmeter Ammeter Reference 1: By John Hewes (2020) lOMoARcPSD|  Current (ampere): Electrical current is the flow (movement) of electric charges. For an electric charge...

ATT Test 8 (Latest 2024/ 2025 Update) Questions and Verified Answers| 100% Correct| Grade A Q: Which rectifier is the least efficient using only half the input? Answer: Half-wave Q: Which two rectifiers require two input signals 180 degrees out of phase? Answer: Full-wave and bridge Q: Which rectifier uses a center tapped transformer? Answer: Full wave Q: How is frequency determined for half wave rectifier? Answer: Output frequency is same as i...

ATT Test 5 (Latest 2024/ 2025 Update) Questions and Verified Answers| 100% Correct| Grade A Q: What is the purpose of diode clampers? Answer: To clamp AC signal AT a DC output level Q: What three components make up clamper circuit? Answer: capacitor, resistor, diode Q: When is the capacitor able to quickly charge in clamper circuit? Answer: When the diode is forward biased (low resistance) Q: What is the purpose of transistors? Answer: to contr...

Chapter 3: Conducted and Wireless Media TRUE/FALSE 1. Category 1 twisted pair wire is not recommended for transmitting megabits of computer data. ANS: T PTS: 1 REF: 63 2. Category 1 wire is susceptible to experiencing noise and signal attenuation. ANS: T PTS: 1 REF: 63 3. Category 1 twisted pair wire produces less noise and signal attenuation than Category 2. ANS: F PTS: 1 REF: 63 4. Much of the Category 3 wire sold today is used for new computer network installations. ANS: F PTS: 1 REF: 6...

CETA Exam Questions And Answers VGA - ANSWER- 640 x 480 256 Colors 15 Pins SVGA - ANSWER- 800 x 600 256 Colors 15 Pins XGA - ANSWER- 1024 x 768 or 1366 x 768 16 mil, HD Colors 15 Pins Widescreen - ANSWER- 1280 x 720 or 1920 x 1080 DVI or HDMI Connectors Random Access Memory - ANSWER- RAM Read Only Memory - ANSWER- ROM Programmable Read Only Memory - ANSWER- PROM Electrical Programmable Read Only Memory - ANSWER- EPROM Electrically Erasable PROM - ANSWER- EEPROM 50 Ohms - ANSWE...

circuit breaker mean? a. The breaker is inexpensive b. The breaker will have lots of nuisance trips c. The breaker will trip out regardless of conditions d. The breaker will only trip at 150% of its rated amperage b. 8 amps (E-11 Table XII Conductor Ampacity - Flexible Cords) - ANSWER maximum current carrying capacity for an flexible cord of 16 AWG with 2 current carrying conductors inside the engine spaces is a. 6 amps b. 8 amps c. 10 amps d. 20 amps c. only in one direction - ANS...

ATT Test 8 (NEW 2024/ 2025 Update) Questions and Verified Answers| 100% Correct| Graded A QUESTION When reverse biased higher than Vz, what is the output voltage of shunt regulator? Answer: Vz QUESTION Which component changes resistances to maintain constant V out (zener diode regulator)? Answer: Q1 QUESTION Which component sets output voltage (zener diode regulator)? Answer: D1 (holds Q1 at Vz) QUESTION The voltage on emitter is establ...