Piezoelectric effect - Study guides, Class notes & Summaries

Advantages of ultrasonic instruments - ANSWER-Increased efficiency of large calculus removal -Less time -Multiple surfaces of working end -Never need sharpening -Tips are replaced less often -Does not need lateral pressure -Reduced risk of repetitive strain injuries -Water lavage and irrigation may enhance healing and client comfort -Acoustic mainstreaming removes bacteria Disadvantages of ultrasonic instruments - ANSWER-Higher risk of burnished calculus if used alone -Unavoid...

Transmission - ANSWER-Electrical energy from the system is converted into sound Reception - ANSWER-The reflected sound pulse is converted into electricity Piezoelectric Effect - ANSWER-The property of certain materials to create a voltage when they mechanically deformed or when pressure is applied to them Reverse Piezoelectric Effect - ANSWER-Piezoelectric materials change shape when a voltage is applied to them Piezoelectric Materials - ANSWER-Materials which convert sound into elec...

which of the following wires has the greatest cross sectional area - Answer- 9awg the capacitance of a capacitor __________ if the distance between the plates decreases while all other properties of the capacity remain the same. - Answer- Increases A voltmeter that converts AC/DC by rectifying the voltage, would be used to indicate the correct value of measured _____ - Answer- Varying DC voltage only In the drawing below, what is the current through the resistor? - Answer- 2 amps Whi...

CET study guide with Complete Solutions Which of the following wires has the greatest cross sectional area? - Answer- 9 AWG The capacitance of a capacitor ____if the distance between the plates decreases while all other properties of the capacitor remain the same. - Answer- increases A voltmeter that converts AC to DC by rectifying the voltage, would be used to indicate the correct value of measured ______. - Answer- varying DC voltages only in the drawing below, what is the current throug...

The indirect monitoring of patient's oxygen level by the use of a sensor that detects light wave absorption. Correct Answer: Pulse Oximetry Typically placed on index finger Xanax is a what? How does it effect on a PSG? Correct Answer: Benzodiazepine: sedative or muscle relaxant Reduction in WASO, REM, and N3 and Increase in TST, n1, n2, and REM latency An array of electrode derivations for acquiring, recording, and displaying data. Correct Answer: Montage What is an Acquisition monta...

2024 Associate CET 6th Guide - Questions and Answers (Complete Solutions) The form of signaling used on telephone systems today is ____. a. ACS b. ISDN c. POP d. CCS A CLEC is __________. A. A cable TV company B. The incumbent telephone company C. A wireless provider D. Either A or C The maximum bit rate available on a T-1 transmission system is __________. A. 56 kbps B. 64 kbps C. 1.544 Mbps D. 2.4 Gbps A call between area codes is __________. A. Local long distance B. Inter-LATA C. Intra-LAT...

Wilhelm Conrad Roentgen discovered x-ray by: - Answer-observing light emitted from a chemical compound Thomas Edison contributed greatly to the field of radiology by: - Answer-discovering the use of calcium tungstate The scientist Michael Faraday is noted for - Answer-experiments in electromagnetic induction. Roentgen discovered x-rays in: - Answer-1895 The piezoelectric effect describes how a voltage is produced by applying stress to a certain type of crystal. This effect was discov...

Name Clas Dat : s: e: Chapter 3 Common Components for Computerized Engine Control Systems 1. What type of sensor is a throttle position sensor? a. c. ANSWER: POINTS: Potentiometer Piezoelectric diaphragm b. NTC thermistor d. Piezoresistive diaphragm 2. What voltage will be produced by a zirconium dioxide O2 sensor when the air-fuel ratio is on the rich side of stoichiometric? ANSWER: POINTS: d 1 b 1 c 1 a. 0 mV c. 450 mV b. 100 mV to 450 mV d. 450 mV to 900 mV 3. What scale ...

SPI Practice Questions 1 Latest 2024 | New Questions with 100% Correct Answers Already Graded A+ 1. The term Anechoic in relation to a sonographic image means? A. structure that appears lighter than the surrounding structures B. The absence of echos C. A structure that appears the same as surrounding structures D. A structure that reflects 100% of the sound wave B. The absence of echos Question 1 Explanation: An (without) echoic (producing echoes) 2. If you have two near identical systems w...

RPSGT PRACTICE EXAMS GUARANTEED SUCCESS The indirect monitoring of patient's oxygen level by the use of a sensor that detects light wave absorption. ️Pulse Oximetry Typically placed on index finger Xanax is a what? How does it effect on a PSG? ️Benzodiazepine: sedative or muscle relaxant Reduction in WASO, REM, and N3 and Increase in TST, n1, n2, and REM latency An array of electrode derivations for acquiring, recording, and displaying data. ️Montage What is an Acquisition...