electron-hole pairs in a PN-junction of a solar cell form a current when light is shined on the material because a(n) ______________ is formed across the junction. (Fill in the blank.)   Question 12 options:   current   magnetic field   thermal gradient   electric field

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: 4: What is the equivalent resister of the network shown? А: 1 В: 2 С: 3 D: 4

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Q: Complete the missing parts of the diagram: direction of electron flow, magnet polarity, or direction…

A: (a)

Q: In a BJT, the outer layers are much -8 more thick as compared to the .middle layer a) True O

A: Answer 8:-True Explanation:In a BJT the middle layer is base which have to be thin and lightly doped…

Q: What is the value of 100 electrons volts (eV)?

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Q: Name a material which is used for making the standard resistor. Give reason for your answer.

A: Maganin alloy wire is used as standard resistor.

Q: LED(6-8 watts) CFL(13-15 watts) Incandescent (60 watts) On  three separate intances you connect…

A: The average power exerted by LED light bulb is Pavg=6W+8W2=7W The average power exerted by CFL light…

Q: how is the electric field across the pn junction created

A: A pn junction diode is formed by joining a n type semiconductor with a p type semiconductor. A n…

Q: What is the difference between conventional current and electron current? What do they have in…

A: Conventional Current- The flow of positive charges in a circuit from positive terminal to negative…

Q: Ra 3. Unbalanced Wheatstone Bridge: select resistors for an unbalanced Wheatstone bridge (Figure 4)…

A: Part 2: Explanation:Step 1: Calculate the total resistance of the Wheatstone bridge.Given that the…

Q: Select all that are true. Current is a measure of the amount of charge contained by a conducting…

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Q: '3 Find the current through R1 = 29 kN and = 20 k2 from the figure given. Here E, = 9 V R2 %3D and…

A: R1 = 29000 ohm R2 = 20000 ohm E1 = 9 volts E2 = 14 volts Let the current through R1 = I1 , upwards…

Q: What is the current in the 10- 12 resistor ? 21V 50 10 2 50 Lun

A: From the figure, the resistor 5Ω, 10Ω, and 5Ω are in parallel combination which is given as follows,…

Q: How can one use the setup to charge a battery? How does changing the starting amounts of each metal…

A: Rechargeable batteries are the storage batteries which store the chemical energy and convert into…

Q: a. Find the necessary KVL/KCL equations to solve the problem. (2 pts for each equation) b. Compute…

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Q: What are the limiting factors of superconductivity? Define and distinguish the two different types…

A: Normally, materials theoretically exhibit zero electrical resistance at the absolute zero…

Q: 11. For each metal, we are going to determine the maximum wavelength that produces a current for eac…

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Q: If R = 100 ohm, C = 0.05 F (Farad) and Q = 100 Coulomb, find q(t) at t = 2, 5 t and 10 second where…

A: Given, R = 100 ΩC = 0.05 FQ = 100 C

Q: 3. Consider the following scenario: A civil engineering student measures the resistivity of…

A: The resistivity for a wire of length L, area of cross section A and resistance R is given by the…

Q: The critical current density of a Nb-Ti slab having a thickness of 1.6 mm is 6250/µ0 A/m². µọ is the…

A: Given the external field is increased to 12 T then decreased to 8 Tesla. The average magnetic field…

Q: Find: Rab 30. a b 222 50 812 ww w 6.2 ww 202

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Q: In the diagram below, the red wire has a current passing through it (the direction is indicated in…

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Q: The position of the bound volume current is if an aluminium wire holds a uniformly distributed…

A: please see the next step for solution

Q: Which of the following schematics represents a normal current flow? a. DC excitation Diode Field Ob.…

A: The diagram given by figure 1 is representing a normal current flow circuit. When a circuit is…

Q: A 12 V car battery dies not so much because its voltage drops but because chemical reactions…

A: Solution: Consider the circuit as shown below:

Q: The current flowing from positive to the negative terminal of a battery due to the flow of positive…

A: Current is defined as the flow of charges in a direction per unit time. It is a quantity which has…

Q: What would happen if you insert a battery upside down into a flashlight? O a the current moves…

A: Answer: Option C) the electrons will not move will be the correct option.

Q: Why alloys like constantan and manganin are used for making standard resistors?

A: The alloys like constantan and manganin are used for making standard resistors because: (a): It has…

Q: 3. Show another circuit connection of a positive clipper circuit(together with its output waveform…

A: Clipper circuits are the circuit that clip off or removes a portion of an input signal , without…

Q: etermine the current flowing through an element at t=3 s, if the charge flow is given by:…

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Q: The reverse current in a diode is of the order of ΚΑ mA O A μA

A: The reverse current in a diode is of very small magnitude . It is of the order of micro ampere  When…

Q: Two LEDs are connected in series with a 9V battery. To protect LEDs from over current, we are using…

A: Given Data : The voltage of the supply is given as V = 9V The current through the LEDs is given as i…

Q: The diagram below shows the experimental set-up for observing thephotoelectric effect. The table…

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Q: describe how light is produced in a pn junction.

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Q: Assume that it takes 4 microseconds at normal body temperature for the polarized sodium ions to…

A: t=4 microseconds R1 100 Ohms R2=0.1 Ohms

Q: Pure aluminum is malleable, which means that it can be pounded or stretched into different shapes.…

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Q: Assume that there are 20 luminaires that include 4×14W fluorescent lamps in your office. If you…

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Q: Identify the wrong statement describing the color code for carbon resistors. a) The first band…

A: C

Q: Discuss the advantages of using ultrahigh-field magnets in experiments in biomolecular NMR…

A: To discuss the advantages of ultra high field magnets is explained below.

Q: which of the propertie of nano parkicles has the greakest effect on nanoparicles having ahign…

A: CONDENSED MATTER PHYSICS

Q: A gas discharge tube glows when a high voltage is applied to it. Explain this statement?

A: In a discharge tube, there is an anode and a cathode with gas-filled inside it.  When a high voltage…

Q: A four-colored resistor has a resistance of 67,000,000 ohms 5%. What are the colors of the band of…

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