Evaluate the techniques required for effective telephonic communication

Q: Having a hard time understanding this question! I will give a thumbs up. Thank you!

A:

Q: 3. In the circuit shown in the figure, the battery has internal resistance r, the resistor R has a…

A:

Q: wave features do radio towers change to transmit in et answers.) r answer: mplitude

A: Electromagnetic spectrum in simple terms is defined as the range of all types of electromagnetic…

Q: What makes an infrared network unique in terms of the media that it uses?

A: An infrared network uses infrared radiation as its primary medium for transmitting data. Infrared…

Q: Two microwave frequencies are authorized for use in microwave ovens: 1015 and 1900 MHz. Calculate…

A: Given:  f = 1015 MHz = 1015 x 106 Hz f' = 1900 MHz = 1900 x 106 Hz

Q: It makes sense for a home remote control to use infrared (IR) light waves rather than Bluetooth.…

A: Infrared (IR) and Bluetooth are two wireless technologies commonly used for home remote controls.…

Q: It makes sense for a home remote control to use infrared (IR) light waves rather than Bluetooth.…

A: Most inexpensive IR remotes emit infrared light waves to IR photodiodes on the device, such as an…

Q: Answer the following question: 10. What kind of filter would you use to get rid of an annoying…

A: Ans:  Notch filter. It is a device that rejects or blocks the transmission of frequencies within…

Q: What electrical conditions are required for two light globes to produce the same brightness?

A: The expression for the power,

Q: If visible light and radio waves are both examples of electromagnetic waves, why can’t we see radio…

A: The human eyes have evolved to be able to see the most useful light on the surface of the earth.…

Q: A body is moving toward vertical direction with the velocity V = (a-bt)(c-dt), where t is the time,…

A: Given: Vertical velocity:  V=(a-bt)(c-dt)a=0.427 (m/s)1/2 b=0.272 m1/2s-3/2c=3.50 m1/2s-1/2=3.50…

Q: Give an example of interference of electromagnetic waves.

A: