Q1: A 20 dBm power source is connected to the input of a directional coupler having a coupling factor of 20 dB, a directivity of 35 dB, and an insertion loss of 0.5 dB. If all ports are matched, find the output powers (in dBm) at the through, coupled, and isolated ports.

Q: Q11) A current of 0.42 A is passed through the CuSO4 solution for 30.0 minutes. If the specific…

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Q: 3. Does KCL hold true for the circuit, prove that?

A: KCL- Kirchhoff's Current Law, often shortened to KCL, states that “The algebraic sum of all currents…

Q: The electricity from a household outlet can be dangerous because

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Q: It Vbat = 4.4 V and C = 3.5 F, what is the potential difference V (in Volts)? Vbat

A: Given data : Vbat=4.4 V C=3.5 F

Q: R₁1 82 2 13 3 fy hd 4 276 2 total атр, 3 40 sec J 12v T 16 2 1534774 32 3

A: Given that The resistance of the resistors are R1=1Ω          R2=2Ω              R3=3Ω…

Q: Explain the physical nature of the occurrence of thermo-emf in thermocouples

A: When two metals are keeping at same temperature, there will be no net emf in the circuit. When there…

Q: A space heater primarily converts electrical energy into O light energy O thermal energy O sound…

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Q: Why are metals good conductors both of heat and electricity?

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Q: In thermocouple, the temperature at which no current flow through it is. (a) (b) (c) (૪) neutral…

A: To find- Name for temperature Given- No current flows through the thermocouple.

Q: the signal type in the pacemaker device is not electrical * O true O false

A: Given , The signal type in the pacemaker device is not electrical.

Q: Why does a wire not simply cut a block of ice in two when it passes through the ice?

A: As the wire passes through the ice block, there is a pressure induced beneath the wire which melts…

Q: True or False: As alpha radiation pass through an absorbing medium the number of alpha particles…

A: The number of alpha particles reduces linearly throughout its range in the medium.

Q: The neutrons within the nucleus of an atom have what charge? O negative O same as an electron same…

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Q: Which formula represents the law of conservation of energy?

A: SOlution: Which farmula corrrectly represents the conservation of mechanical energy.

Q: 214Po84 --> __________  +  4He2

A: Reaction :         214Po84= 210Pb82+4He2

Q: If a cell or a battery is used for a very long time, eventually it will stop working. Suggest why…

A: A battery is a chemical power pack of some material by which energy is produced with the help of…

Q: In the circuit shown, the capacitor is connected to the circui long time. If C= 10 µF then the…

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Q: What percentage of Stanley Milgram's participants shocked all the way to 450 volts?

A: We have

Q: How Strong is the Coulomb Force Relative to the Gravitational Force?

A: To find the relative strength of Coulomb force (also, electrostatic force) to Gravitational Force ,…

Q: Their clothes tend to stick together after they pass through the dryer. Because? Do you expect that,…

A: The clothes after spinning in a dryer cling to each other due to the friction between clothes or…

Q: Copper is an “conductor.” What does this tell you about copper?

A: Copper is a good conductor. It is clear when we look at its atomic structure. The nucleus of copper…

Q: Why is platinum used for making resistance thermometer?

A: which is help to give precise reading and morover the platinum is stable unreactive metal can be…

Q: In a conductor, electrons are a. Free to move a macroscopic distance across the material b.…

A: There are various types of materials. Some have electrons tightly bound to the nucleus and are not…

Q: What particle has exactly one quantum unit of charge?

A: