Zener diodes Study guides, Class notes & Summaries

Associate CET practice exam 200 Questions with Verified Answers 8.33 meters is the full wavelength in air for what RF frequency? - CORRECT ANSWER 36 MHz Decimal 164 would appear as ________ in binary? - CORRECT ANSWER A resistor has color stripes yellow, violet, violet, silver. It is: - CORRECT ANSWER 470 MegOhm +/- 10% what is the total capacitance of three capacitors valued at 100pf, 100pf, and 50pf when connected in a series? - CORRECT ANSWER 25 pf what is the ripple frequency...

CET Study Guide Exam 294 Questions with Verified Answers B+, or supply voltages in electronics products, is considered to be: A. +5 to +12 VDC B. 0 to 30 V DC C. +12 to 300 V DC D. The anode or plate voltage supply - CORRECT ANSWER A: +5 to +12 VDC Leakage current in an electronic product, between either of the AC power cord conductors and the chassis or any exposed metal parts should not exceed A. 5 micoamps B. 500 microamps C. 5 milliamps D. 50 milliamps - CORRECT ANSWER D: 50...

Pulsating DC - Answer-Current that varies in amplitude but does not reverse polarity `Not alt. Current because polarity remains the same. Protection. - Answer-Optional section in an scr power supply. Prevents damage to power supply from excess current flow. AC to DC - Answer-Diode reflectors Power Supply - Answer-AC to DC Half Wave Diode Reflector - Answer-AC to DC (VDC=VPeak of secondary x .318) Full Wave Diode Rectifier - Answer-AC to DC VAVG= [VPP/2] x .636 If center tapp...

AST Practice 1-100 Questions and Answers 100% Pass What does the acronym ESD stand for? Electrostatic Discharge Current amount between ____ and _____ can be lethal. 100mA,200mA What is the number one concern in regards to electrical safety? Shock Bohr's Atomic Model consists of what three components? Protons, neutrons and electrons Electrons are arranged in _____ around a nucleus. Shells What are three types of materials used in electronics? Conductors, semi-conductors and insulators In t...

The Associate CET Study Guide Exam 276 Questions with Verified Answers B+, or supply voltages in electronics products, is considered to be: A. +5 to +12 VDC B. 0 to 30 V DC C. +12 to 300 V DC D. The anode or plate voltage supply - CORRECT ANSWER D. The anode or plate voltage supply Leakage current in an electronic product, between either of the AC power cord conductors and the chassis or any exposed metals should not exceed _________. A. 5 microamps B. 500 microamps C. 5 millia...

The resistance of a component at a given frequency - Answer What is impedance? Diode - Answer A two terminal device that conducts in only one direction. Printed Circuit Board - Answer Insulating board containing conductive tracks for circuit connections. Capacitor - Answer An electrical device used to store electrical charge. 1996 - Answer When did the ETA initiate renewal? False - Answer all ETA certifications require the passage of the associate CET exam? False - Answer to qu...

CETa Study Guide Exam 194 Questions with Verified Answers 8.33 meters is the full wavelength in air for what RF frequency? - CORRECT ANSWER 36 MHz Decimal 164 would appear as what in binary? - CORRECT ANSWER A resistor has color stripes yellow, violet, violet, silver. It is? - CORRECT ANSWER 470 MegOhm +/- 10% What is the total capacitance of three capacitors valued at 100uf, 100uf and 50uf when connected in series? - CORRECT ANSWER 25 pf What is the ripple frequency of a full wa...

AND Gate correct answers Only produces a high output when all inputs are high OR Gate correct answers Produces a high output when any input is high NAND Gate correct answers Only produces a low output when all inputs are high NOR Gate correct answers Produces a low output when any input is high XOR Gate correct answers Produces a high output when an odd number of input are high XNOR Gate correct answers Produces a low output when an odd number of input are high NOT Gate correct...

Pulsating DC correct answers Current that varies in amplitude but does not reverse polarity `Not alt. Current because polarity remains the same Protection. correct answers Optional section in an scr power supply. Prevents damage to power supply from excess current flow AC to DC correct answers Diode reflecters Power Supply correct answers AC to DC Half Wave Diode Reflector correct answers AC to DC (VDC=VPeak of secondary x .318) Full Wave Diode Rectifier correct answers AC to DC...

What is impedance? - Answer The resistance of a component at a given frequency A two terminal device that conducts in only one direction. - Answer Diode Insulating board containing conductive tracks for circuit connections. - Answer Printed Circuit Board An electrical device used to store electrical charge. - Answer Capacitor When did the ETA initiate renewal? - Answer 1996 all ETA certifications require the passage of the associate CET exam? - Answer False to qualify for maste...