Determine the electrical conductance of a 2m length of nichrome (a high temperature Ni Cr alloy) wire at 20°C with cross-sectional area 1mm^ Nichrome has a conductivity of 0.9×106 Sm^-1 at this temperature. The answer is 0.45S

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Q: What is the conductivity of AWG #32 tungsten wire with a resistance of 0.0172 2/cm? The diameter of…

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Q: n-type semiconductor acquires a negative charge on the material, the majority has electrons as a…

A: In semiconductor there are 2 types of semiconductors no.1 is p type semiconductor and no 2 is n type…

Q: Determine the conductance at 20°C of an Aluminum bar 0.5 inch thick, 3.5 inches wide and 10ft. long.…

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Q: compare dielectric properties of two types of oil insulators  - oil with solid insulators - oil…

A: We need to compare the dielectric properties of two types of oil insulators: oil with solid…

Q: An intrinsic semiconductor with an intrinsic hole concentration of 0.56 x 1010 cm-3, has been doped…

A: here we have to find the minority carrier concentration.

Q: Compare and contrast the temperature dependence of the electrical conductivities of a intrinsic…

A: we need to compare the temperature dependence of the electrical conductivity of intrinsic…

Q: Example of P type Impurity is

A: The p type impurity are the elements which have only 3 electrons in their valence shell. There are…

Q: 1. A 90 wt% Cu–10 wt% Ni alloy is known to have an electrical resistivity of 1.90x10-7 Ω.m atroom…

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Q: given in the figure? Note-1: the output impedance of the transistor r0 will be taken into account in…

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Q: Subject:electronic engineering Why a semiconductor acts as an insulator at 0°k and why its…

A: Brief description : In the above given question they are asking why semiconductor behaves as an…

Q: A nickel chromium alloy conductor of resitance 24 ohms is 110 inches long and has a resistivity of…

A: Given Resistance of conductor R =24 Ω Length of conductor =l= 110 inch resistivity =ρ =640 Ω -CMft…

Q: An element has electrical conductivity (o)= 6.8 5 -1 -1 ×10 Ohm .cm and number of charge 3 carriers…

A: It is given that: σ=6.8×105 ohm-1.cm-1ne=5.58×1023 electroncm3

Q: The specific resistance of platinum at 0o c is 10.3 .cm . how long must a wire of platinum be to…

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Q: 1. Nichrome ribbon resistor elements each has a resistance of 1 ohm. The element is made from sheet…

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Q: Calculate the conductivity of intrinsic silicon at 100°C.

A: According to the question, we need to calculate the conductivity of intrinsic silicon at 100°C.

Q: Difference between an insulator and a semiconductor, Please select one: a. a wider energy gap…

A: In the question, Choose the correct option .    What is Difference between an insulator and a…

Q: q= 1.6×10-19 un = Hp = ni = C 1350 cm²/Vs 480 cm²/Vs V₂ = V: 1.5×1010 1.5×1010 /cm³ 26 mV

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Q: The resistance of a copper wire is (0.92 0) at a temperature of (4 oC). At what temperature will be…

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Q: Discuss the variation of resistivity with temperature for insulators, semiconductors and conductors.…

A: Classification of Material- Based on the conductivity of material are classified in three part.…

Q: Calculate the electrical conductivity of pure platinum at -200oC. data: resistivity of Pt a Tamb =…

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Q: Compare the following kinds of materials: conductor, insulator and semiconductor, in terms of : b)…

A: To Compare the following kinds of materials: conductor, Insulator and semi conductor on the basis of…

Q: You apply a voltage of 5 V across a uniformly doped 1 mm long p-type semiconductor bar and measure a…

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Q: 3.2 What explains why insulators have different electrical properties from metals?   Band gap…

A: Given:  Brief description: From the above given question it is very clear that we need to know the…

Q: 3. The length of a Germanium material is 10 cm and its area is 5 cm2. Check in slide 30 the…

A: Resistance:  In the resistance, the power dissipation occurs in the form of heat. Its unit is Ohm.

Q: Explain in detail the effect of applying a voltage source on a pure semiconductor and dopped…

A: Intrinsic semiconductors have very low conductivity at the room temperature. Hence, extra charge…

Q: Copper has a conductivity of 6.45 x10' 1/ohm.m at 0°C. If an copper alloy is made containing 1.12%…

A: ρpure=1conductivity of coper         =16.45×107ρpure=1.55×10-8ohm.m

Q: A material that has 4valence electrons (A) crystal B conductor insulator D semiconductor

A: VALENCE  ELECTRONS : The electrons in the last orbit which also determines mainly the electrical…

Q: Determine the thermal coefficient of resistance of copper at 50°C, then use this value to determine…

A: Given:- T1=50oCT2=170oCR1=50 Ωαo=0.004264/CoThen αT1=?and R2=?

Q: The temperature of coefficient of resistance of copper at 0°C is 0.004626/°C. If the tip to tip of a…

A: Given: The Temperature Coefficient of Resistance of Copper is 0.004626/°C At 0°C, temperature…

Q: The resistance of a copper wire is (0.92 N) at a temperature of (4 oC). At what temperature will be…

A: The resistance.and temperature dependence of the metals is explored and hence the temperature at…

Q: Q3) (i) Calculate the electrical conductivity of a piece of pure Si if it is given the number of…

A: Answer : 3 (i) : Given that  ni=1×1010 cm3μe=1350 cm2.V-1.s-1μh=450 cm2.V-1.s-1T=300 K Although,…

Q: A -0.0100 mC charge is placed 3.50 m to the left of a 0.0200 mC charge. What is the electric…

A: Solve above questions

Q: Which material is always conductive?   Metal semiconductor Insulator

A: Semi-Conductor:- The materials whose conductivity lies between the conductivity of Metals and…

Q: 6 volts are applied along a 2-cm-long semiconductor bar. The average drag speed is 104 cm/sec. What…

A: Drift velocity is given as                               ϑd=µE where µ is the mobility of an…

Q: An n-type piece of silicon experiences an electric field equal to 0.2 V/um. Calculate the velocity…

A: Given, A n-type piece of Si experiences An electric field E=0.2 V/μm Mobility, μn=1350 cm2/Vsμp=480…

Q: Graphically show the effect of changes in temperature on the resistance of conductors,…

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Types of Charge Carriers

A carrier is a type of object which carries a particular thing from one point to another point. For instance, people use different vehicles from one place to another, and the vehicle carries those people and acts as a carrier.