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What is the typical impedance of antennas and antenna cables?
The typical impedance of antennas and antenna cables is usually 50 ohms or 75 ohms, depending on their application. Most RF (radio frequency) antennas, especially those used in communication systems, are designed for 50 ohms to minimize power loss and maximize efficiency. In contrast, 75-ohm cables are commonly used in television and video applications, offering better signal quality for those specific uses. Proper matching of impedance between antennas and cables is crucial to optimize performance and reduce signal reflections.
Given 4 resistors each have equivalent resistance of 100 ohms show how these resistors might be combined to produce an equivalent resistance of a 40 ohms b 250 ohms c 100 ohms?
a) Put 2 of the resistors in series to make a 200 ohm resistor. Then put the 100, 100, and 200 ohm resistors in parallel for 40 ohms. b) Put 2 resistors in parallel for 50 ohms. Put the 50, 100, and 100 ohm resistors in series for 250 ohms. c) Put 2 resistors in parallel for 50 ohms. Repeat with other 2 resistors. Put the two 50 ohm resistors in series for 100 ohms. This configuration can withstand 4 times the wattage of each individual resistor.
What is the value of R ohms in a series circuit if E 50 volts and you 10 amps?
e/i=r 50/10 5
What is the total current in a circuit that has two heating elements that have a resistance of 5 ohms and 20 ohms the elements are connected in parallel with each other and connected to a 200 volt pow?
5 ohms in parallel with 20 ohms is 4 ohms. 4 ohms across 200 volts is 50 amperes. However, resistance is a function of temperature, so the 4 ohms will probably be higher, reducing the current. How much depends on the temperature coefficient of the loads.
Four 50 ohms are connected in series calculate the current in the circuit?
The series resistance is 4 x 50 = 200 Ohms. You would need additional information to get the current; usually this is calculated from the voltage. current = voltage / resistance.The series resistance is 4 x 50 = 200 Ohms. You would need additional information to get the current; usually this is calculated from the voltage. current = voltage / resistance.The series resistance is 4 x 50 = 200 Ohms. You would need additional information to get the current; usually this is calculated from the voltage. current = voltage / resistance.The series resistance is 4 x 50 = 200 Ohms. You would need additional information to get the current; usually this is calculated from the voltage. current = voltage / resistance.
What base loaded magnet mount cb Radio antenna kit is comparable with realistic trc-418 radio?
Whichever one you like. Since all CB antennas have 50 ohms impedance and all CB radios expect the antenna to have 50 ohms impedance, there's no problem with matching the radio to the antenna.
For a quarter wavelength ideal transmission line of characteristic impedance 50 ohms and load impedance 100 ohms the input impedance will be?
50 in parallel with 100 ohms. Dza10 answer: Rin = 50^2 /100
The most appropriate value of the radiation resistance of a quarter wave monopole antenna?
The radiation resistance of a quarter-wave monopole antenna is typically around 36.6 ohms. This value is derived from the antenna's design and dimensions, and it represents the resistance the antenna presents to the flow of radiofrequency electromagnetic waves. It is an important parameter for matching the antenna to the transmission line and maximizing power transfer efficiency.
What impedance does RG-58 have?
50 Ohms.
Radiation resistance of quarter wave monopole antenna is?
The radiation resistance of quarter wave monopole is 36.5 ohms
What is the purpose of antenna on a radio or TV set?
The purpose of an antenna on a radio or tv set is so that it can get signal so we can view tv or listen to the radio
Radiation resistance of folded dipole?
The radiation resistance of a folded dipole antenna is typically higher than that of a simple dipole antenna, approximately 300 ohms compared to 73 ohms. This increase in radiation resistance helps improve the efficiency and performance of the antenna. The folded design allows for a more compact structure while maintaining good radiation characteristics.
Given 4 resistors each have equivalent resistance of 100 ohms show how these resistors might be combined to produce an equivalent resistance of a 40 ohms b 250 ohms c 100 ohms?
a) Put 2 of the resistors in series to make a 200 ohm resistor. Then put the 100, 100, and 200 ohm resistors in parallel for 40 ohms. b) Put 2 resistors in parallel for 50 ohms. Put the 50, 100, and 100 ohm resistors in series for 250 ohms. c) Put 2 resistors in parallel for 50 ohms. Repeat with other 2 resistors. Put the two 50 ohm resistors in series for 100 ohms. This configuration can withstand 4 times the wattage of each individual resistor.
How to replace antenna on Lexus rx300?
Take the new antenna and your RX300 to Circuit City. They will install it for about $50.
What is the purpose of a satellite antenna?
A satellite antenna has one very important purpose. It is designed to allow a home to receive a satellite signal, which then allows users to receive a television signal.
What is 2.5 m ohms in ohms?
M (usually as a capital) million. As "m" strictly is a thousandth (as in mm=millimetre), but I've never seen it for that purpose.
What is the value of the current if an electrical circuit has a voltage of 50 V and a resistance of 5 Ohms?
Ohm's law: Current is voltage divided by resistance. 50 volts divided by 5 ohms = 10 amperes.
