Example 1: What is the resistance of a Platinum resistor at 250 °C if its resistance at 20°C is 1050 2? Assume Temperature coefficient of resistance as 0.0038950/2 °C.
Q: 4.) Determine the conductance at 20°C of an aluminum bus bar 0.3 in.
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Q: 11) The resistance of a copper at 30°C is 500. If the temperature coefficient of copper at 0°C is…
A: To solve above problem, one should know about resistance calculation of a material. The resistance…
Q: H.W. 1.3: At 0 C°, a specimen of copper wire has its resistance equal to 4-milliohm and its…
A: At 0 °C resistance Ro = 4m ohm Temperatures Coefficient α= 1/234.5 /°C Find the value of resistance…
Q: Nichrome ribbon resistor elements each has a resistance of 1 ohm. The element is made from sheet of…
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Q: What is extrinsic semiconductor? Mention explain its formation with suitable diagram. (a) Write any…
A: EXTRINSIC SEMICONDUCTOR An extrinsic semiconductors are those semiconductors that comes up when…
Q: Determine the thermal coefficient of resistance of copper at 500C, then use this value to determine…
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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: Calculate the resistance of 87 m length of a wire having a uniform cross-sectional area of 0.25 mm²…
A: This question belongs to electrical network theory . It is based on the concept of formula of…
Q: The resistance of a silver wire is 0.1 at 20C. At what temperature will its resistance decrease by…
A: Given; Ri=0.1 ΩRf=0.25×0.1=0.025 ΩT=20° Cα=0.0038 /°C
Q: A 1000 ft length copper wire has a resistance of 0.628 ohm at 20∘ C. Determine the resistance of the…
A: The volume of the wire remains constant even if it is stretched to on third of its cross section.…
Q: You are using two different semiconductors one with a band gap of 1.24 eV and the other with a band…
A: Energy Band Gap : Lowest energy required by the electron to release from valence band to conduction…
Q: In your own words, describe the classification of materials according to conductivity, with examples…
A: In this question 1, we have to define materials classification based on conductivity.... Note:- Due…
Q: 10) A certain batch of copper wire was found to have a conductivity of 98% at 20°C. What is its…
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Q: Plot a graph showing variation of current versus voltage for the material GaAs.
A: Given: Current versus Voltage for the material GaAs. Required: Plot of graph of Current versus…
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: Find the concentration of electrons & holes in (a) N-type Si at 300K, if the conductivity is…
A: Here i have found the concentration of electrons in n type si and concentration of holes in p type…
Q: Find the concentration of electrons & holes in (a) N-type Si at 300K, if the conductivity is…
A: Here i have found the value of electron and hole concentration in an n type and p type si…
Q: 1- In your own words, describe the classification of materials according to conductivity, with…
A: Note : According to the company guidelines we can answer first question. Here they are interested…
Q: The resistance of a wire conductor at 30 ∘ C is 50 ohms. Find the temperature of the conductor if…
A: By temperature coefficient of resistance for any substance, we mean the change in the value of…
Q: The temperature coefficient of resistivity of carbon is -0.0005/C°. If the resistor is made of…
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Q: The resistance of the wire is 126.48-N at 1000C and 100-2 at 300C. Determine the temperature…
A: Given data: R100° C=126.48 ΩR30° C=100 ΩΔT1=100° CΔT2=30° C The expression for the temperature…
Q: YA Copper wire with (32.3 m) Long, area (5 mm?) and the resistance is (120 r) at Zer tempera ture (o…
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Q: 1. A coil of aluminum wire has a resistance of 50 when its temperature is 0°C. Determine its…
A: We are authorized to answer one question at a time, since you have not mentioned which question you…
Q: A two wires, one of Copper and the other of Nickel, if the resistance of the first is (12.7 0), and…
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Q: If the resistance of a copper wire is 50 N at 20°C, what is its resis- tance at 100°C (boiling point…
A: Given: For a copper wire, The resistance at temperature T1=20°C is R1=50 Ω Temperature at which…
Q: 3- For a (1 kQ) copper composition resistor with a temperature coefficient at (20°C) 0.00393,…
A: The solution can be achieved as follows.
Q: Q?: Fill in the following blanks with suitable words : 1. Conductivity of a material depends on: and…
A: As per Bartleby guidelines we are allowed to solve only three subparts,please ask the rest again.…
Q: A carbon resistor has a resistance of 1 kΩ at 0°C. Determine its resistance, in ohms, at 80°C.…
A: A carbon resistor has a resistance of 1 kΩ at 0°C. Determine its resistance, in ohms, at 80°C.…
Q: Find the concentration of electrons & holes in (a) N-type Si at 300K, if the conductivity is…
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Q: the resistance of a copper wire at 30 c is 50 ohms. if the temperature coefficient at 0 c is…
A: Answer : The given parameters are as follows :- R30°=50 Ω temperature coefficient (α) = 0.00427…
Q: What is the resistance of a copper specimen with an initial resistance of 250 ohms at 30 degrees…
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Q: 10) A certain batch of copper wire was found to have a conductivity of 98% at 20°C. What is its…
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Q: A resistor has a resistance of 43.6 ohm at 20°C and 50.8 ohm at 60°C. Determine the temperature…
A: Resistance at any temperature R =R0(1+( temperature coefficient of resistance )*temperature R0 is…
Q: The resistance of a wire conductor at 30∘C is 50 ohms. Find the temperature of the conductor if the…
A: The resistance at given temperature is calculated as RT2 = RT11+αT2-T1where,RT2 is resistance at…
Q: P1.52. The resistance of a certain copper wire is 0.5 N. Determine the resistance of a tungsten wire…
A: Referring to the question, the dimension of the tungsten wire and the copper wire is the same.…
Q: The resistance of a long piece of copper wire is 48 2 at 20°C. a. What would the resistance be at…
A: Given: Resistance of a long copper wire = 48Ω at 200C To do: a) we have to determine the resistance…
Q: A piece of silver wire has a resistance of 1 ohm. Determine the resistance of a lead wire one-third…
A: In this question we will find resistance of lead wire while resistance of silver is given...
Q: nichrome ribbon resistor elements each has a resistance of 1 ohm. the element is made from sheet of…
A: Given that Resistance of nichrome ribbon resistor elements is 1 ohm Thickness of nichrome…
Q: 3- For a (1 k2) copper composition resistor with a temperature coefficient at (20°C) 0.00393,…
A: The solution can be achieved as follows.
Q: Determine the resistance and conductance of 20m of copper wire 2mm in diameter. P= 1-72 x10 S
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Q: Calculate the temperature coefficient of resistance of aluminum at 300C and uses it to find the…
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Q: Using the idea of energy bands in solid materials, explain the characteristics of the following…
A: The useful way to see the difference between Conductor, Insulator and Semiconductor is to plot the…
Q: The resistance of a copper wire is 125 ohms at 100°C. Determine the resistance at 70°C
A: In this question , resistance of copper wire is given at 100 degree centigrade....We have to find…
Q: An 18-gauge copper wire with a diameter of 1-mm carries a constant current of 1-A. The charge…
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Q: Example 1.7: A specimen of copper has a resistivity (p) and a temperature coefficient of 1.6x10…
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Q: A 1-m length of wire is found to have a resistance of 25 ohms. If the diameter of the wire is 1 mm,…
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Q: The specific resistance of platinum at 0°c is 10.3 µ2.cm . how long must a wire of platinum be to…
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Q: Compare the dependence on temperature for electrical conductivity in metals and semiconductors…
A: Electrical Conductivity of Metal is defined as: In case of metals electrical conductivity is…
Q: Find the resistance of an aluminunm wire that has a length of 1000 m and a diameter of 1.626 mm. The…
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Q: The resistance of a copper at 30°C is 500. If the temperature coefficient of copper at 0°C is…
A: In this question we will find resistance of copper at 100 degree centigrade...
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- a sample copper wire has a resistance of 50 ohms at 10°C . what is the maximum operating temperature if the resistance of the wire is to increase by at most 10 percent? a at 10°C is 0.00409 per °CCalculate the equivalent resistances Rin of the following circuits. (The resistance value of the diodes in the conduction will be 0, the resistance value of the diodes in the insulation will be taken as infinity. R1=10ohmA diode has n = 1.06 at T = 320 K. What is the value of n ·VT? What temperature would give the same value of n·VT if n =1.00 ?
- -3 A sample of silicon is doped n-type to a value 223300443149266120000000 m If the electron mobility is 0.12 m²v-1-1, calculate the conductivity in the sample in 2-1m-1 (give your answer as an integer number)A resistor has a resistance of 43.6 ohm at 20°C and 50.8 ohm at 60°C. Determine the temperature coefficient of resistance of aluminium at 0°C, its resistance at 0°C and at 40°C.Two parallel diodes are used to conduct the total current If= 100 A. If Vf1= 1 V and Vf2 = 1.5 V. It is %3D desirable to calculate the current of each diode if: A)R1=0.02 ohm, R2=0.03 ohm B)R1=0.03 ohm , R2 =0.02 ohm C)R1=R2=0.03 ohm i + V2 R, R,
- 10) A certain batch of copper wire was found to have a conductivity of 98% at 20°C. What is its resistivity in un-cm? 11) The resistance of a copper at 30°C is 500. If the temperature coefficient of copper at 0°C is 0.00427. What is the resistance at 100°C?The resistance of wire increases from 40 – ohm at 20 0C to 50 – ohm at 70 0C. Find the temperature coefficient of resistance at 0 0C.Draw band diagrams for below contacts. b) metal-n-type semiconductor for Φm> Φs
- The difference between insulator and semiconductor is a. wider gap between valence and conduction band b. the number of free electrons c. the atomic structure d. all of the aboveii) Analyse the circuit shown in below Figure. 2, assume diodes as silicon diode. Calculate: a. Vout b. IR3 c. Ip2 VCC 16V D1 D4 V3 10 V R1 2.2kQ D5 D2 Vout R3 2.8kQ IR3 Ip2 R2 4.7 kQ D3 V1 2.2 V V2 15VA- Calculate the equivalent resistances (???) of the following circuits. (The resistance value of the diodes in the conduction will be taken as 0, the resistance values of the diodes in the insulation will be taken as infinity. R1=10 ohms) B- Explain P and N type items by drawing figures. Explain the element formed by the non-polar combination of these substances by drawing a figure.