Vhf very high frequency - Study guides, Class notes & Summaries

C ----If the input signal power to a communication system is 1 W and the output power is 1 mW, the system attenuation is: A. 3 dB B. 20 dB C. 30 dB D. 40 dB E. 1000 dB B ----The signal at the input to a balanced twisted pair cable is 10 mW. The cable is 1000 feet long and has an attenuation of 1 dB per 100 feet. This cable is connected to the input of a receiver. The noise level at the input to the receiver is 1 microwatt. What is the signal-to- noise ratio (SNR) (dB) at the receiver i...

PPL CAAP NAVIGATION TEST WITH QUESTIONS AND ANSWERS Which statement is true about density altitude - CORRECT ANSWER--Density altitude is increased by a decrease in pressure What effect, if any, does high humidity have on aircraft performance? - CORRECT ANSWER--Decreased peformance It is true airspeed adjusted for wind. Decreases with headwind and increased with tailwind - CORRECT ANSWER--Indicated altitude The altitude indicator has a gyro which spin on a - CORRECT ANSWER--horizont...

RCDD TEST QUESTIONS (TOPIC 1 - TOPIC 7) WITH COMPLETE SOLUTIONS. If the input signal power to a communication system is 1 W and the output power is 1 mW, the system attenuation is: A. 3 dB B. 20 dB C. 30 dB D. 40 dB E. 1000 dB C. 30 dB The signal at the input to a balanced twisted pair cable is 10 mW. The cable is 1000 feet long and has an attenuation of 1 dB per 100 feet. This cable is connected to the input of a receiver. The noise level at the input to the receiver is 1 microwatt....

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...

ETA CET Exam 382 Questions with Verified Answers The resistance of a component at a given frequency - CORRECT ANSWER What is impedance? Diode - CORRECT ANSWER A two terminal device that conducts in only one direction. Printed Circuit Board - CORRECT ANSWER Insulating board containing conductive tracks for circuit connections. Capacitor - CORRECT ANSWER An electrical device used to store electrical charge. 1996 - CORRECT ANSWER When did the ETA initiate renewal? False - CORRECT ...

RCDD Practice Test Latest Questions With Complete Solutions. C If the input signal power to a communication system is 1 W and the output power is 1 mW, the system attenuation is: A. 3 dB B. 20 dB C. 30 dB D. 40 dB E. 1000 dB B The signal at the input to a balanced twisted pair cable is 10 mW. The cable is 1000 feet long and has an attenuation of 1 dB per 100 feet. This cable is connected to the input of a receiver. The noise level at the input to the receiver is 1 microwatt. What is t...

EMT - AAOS - Chapter 4 Questions and Answers Graded A+ base station Any radio hardware containing a transmitter and receiver that is located in a fixed place cellular telephone A low-power portable radio that communicates through an interconnected series of repeater stations called "cells channel An assigned frequency or frequencies that are used to carry voice and/or data communications close-ended questions Questions that can be answered in short or single word responses communication The...

Cpls Course CommunicationsWhat does a radio link consist of? - correct answer A radio link consists of seven parts which are: Transmitter (Radio) Power Supply Transmission Lines Transmitting Antenna Propagation Path Receiving Antenna Receiver (Radio) What are the three types of radio modes? - correct answer Simplex: One station may send information over a single frequency, station can TRANSMIT but not RECEIVE. Half-Duplex: Both stations can send/receive information, but not simultan...

PPL Navigation Exam 224 Questions with Verified Answers An observer is located north of the plane of the ecliptic The Earth moves on an elliptical orbit around the sun and the rotational direction is counterclockwise The Earth moves on a circular orbit around the sun and the rotational direction is counterclockwise The Earth moves on an elliptical orbit around the sun and the rotational direction is clockwise The Earth moves on a circular orbit around the sun and the rotational direc...

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...