e resistance of a bulb filament is 1002 at a temperature of 100 °C. If its mperature coefficient of resistance be 0.005 per °C, at what temperature will resistance become 2002? 820
Q: 2. An incandescent light bulb uses a cold filament of tungsten that is 580 mm. long with a diameter…
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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: Calculate the resistivity and conductivity of (10cm) length of a wire having a
A: The solution can be achieved as follows.
Q: A 6.3-V tube filament (consider it a resistor) requires 300 mA. What power would be dissipated in…
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Q: 3. The resistance of a 25 ohms resistorincreases by 10 percent when its operating temperature…
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Q: Find the resistance of an aluminum wire that has a length of 1000 m and a diameter of 1.626 mm. The…
A: Let's find the resistance of the given copper using the physical relationship between the material…
Q: Find the resistance of an aluminum wire that has a length of 1000 m and a diameter of 1.626 mm. The…
A:
Q: Find the resistance of a 100 ft length of copper wire with a cross-sectional area of 810.1 CM. The…
A: Given data, Length of copper wire l=100 ft Cross sectional area A=810.1 cm2 Resistivity ρ=10.37…
Q: The resistance of Copper conductor at 20 oC is 330 Ω. Find Resistance at 700oC.
A: As per the guidelines, we supposed to answer one question at a time so please ask other questions…
Q: A copper wire has a diameter 1.3 mm and resistivity 1.6 x 10 Qm. What will be the length of this…
A: Given : The resistance of a wire is inversely proportional to the radius of the wire and directly…
Q: Calculate the resistance of 100-m wire having a cross-sectional area of 0.1mm^2 and made of manganin…
A: This question belongs to basic electrical . It is based on the calculation of resistance of the wire…
Q: Determine the resistance of a bus bar made of copper if the length is 10 meters long and the cross…
A: Busbars are often situated inside switchgears, panel boards, or busways and serve to conduct a large…
Q: 16. The resistance of a copper wire at 30°C is 50 Q. If the temperature coefficient of copper at 0°C…
A: resistance at Temperature T = R0(1+tempereture coefficientα0×T given temperature at 30 degree = 50…
Q: 1) The resistance of a copper at 30°C is 500. If the temperature coefficient of copper at 0°C is…
A: In this question, Find the resistance R at T= 100°C If temperature coefficient = 0.00427 at 0°C…
Q: he Hall coefficient of a specimen is 5e-4 m^3/C. If its resistivity is 10 e-3 Qm, what will be its…
A: Given that RH=5e-4 m3Cρ=10e-3 ohm-m
Q: The resistance of a bulb filament is 2000 at a temperature of 100 OC. If its temperature coefficient…
A: Given that R100°C=200 ohmRx°C=2000 ohmα=0.005 /°C Assume that resistance of bulb filament is R0 at 0…
Q: What is the resistance of 600 ft length of #10 AWG copper wire
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Q: A copper wire 2 m long, with a diameter of 3 mm, has a resistance of 0.0012 2 at 20 °C. What will…
A: Given, A copper wire has Length, L=2 m Diameter, d=3 mm Resistance Rref=0.0012 Ω at Tref=20°C…
Q: A carbon resistor has a resistance of 1 kQ at 0°C. Determine its resistance in ohms, at 80°C. Assume…
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Q: A coil of aluminium wire has a resistance of 50 Q when its temperature is 0°C. Determine its…
A: we need to determine resistance at 1000c.
Q: A 20 meter length of cable has a cross-sectional area of 1mm2 and a resistance of 5 ohms. Calculate…
A: Resistance = resistivity×(Length of the conductor/cross section area of conductor). Conductivity =…
Q: 6. A length of a copper telephone line has a resistance of 24 ohms at 20°C. What is the resistance…
A: Note: As per our policy we can solve only one question, please re-upload the remaining question as a…
Q: he resistance of a given device is 46ohms at 25degrees celcius. If the temperature coefficient of…
A: Given that R25°C=46 ohmα20°C=0.00454Rt°C=92 ohm calculate the temperature co-efficient at 0 degree…
Q: The resistance of a wire varies directly with its length and inversely with the square of its…
A: Given a wire of same material, Case (1), Resistance of wire, R1=80 Ω Length of wire, L1=100 ft…
Q: The resistance of 120 mtrs. of wire is 12Ω. What is its conductance?
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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: 4. Calculate the resistance of a 100 m length of wire having a uniform cross - sectional area of…
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Q: A 1000 ft length of No. 8 AWG copper wire has a resistance of 0.628 ohm at 20∘C. Determine the…
A: Given data: ength of copper wire=l=1000 ftCross section =8 AWGResitance of wire,R=0.628 Ω We…
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: The resistance of a wire at 0° Celsius is measured to be 172. If the temperature increased to 27°…
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Q: You want to produce three cylindrical wires with a diameter of 1.00 mm, each with a resistance of…
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Q: 7. The resistance of 120 mtrs. of wire is 120. What is its conductance?
A: Simple problem on network. Look below for the solution :-
Q: Calculate the resistance of a 100 m length of wire having a uniform cross – sectional area of 0.02…
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Q: 1. A tungsten filament wire has a resistance of 20-N at 25°C. What will be its temperature at 100°C?…
A: Given that A tungsten filament wire has a resistance of 20 at 25°C. What will be its temperature…
Q: A cube block of ice with a volume of 244 ft³ with an initial temperature of 28 °F is 12ft near a…
A: Given,Volume of the cube block is,V=244 ft3The distance between ice block and furnace is,D=12 ftThe…
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: 3) Calculate the reşistance of a cross-sectional area A Od mm) and resistivity oA(50× 10-%e Fl the…
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Q: A wire has a resistance of 12 O. It is bent in the form of a circle. The effective resistance…
A: Given data : Wire resistance R = 12 ohm Now wire bent in form of circle now we have to find…
Q: The resistance of a silver wire at 300C is 3 ohms. The temperature coefficient of resistance of…
A: R=Rref(1+α(T−Tref)) where, R = the resistance at temperature, T Rref = the resistance at…
Q: A carbon resistor has a resistance of 500 2 and 488 2 at 0°C and 50°C. respectively. Determine the…
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Q: Some copper wire has a resistance of 200 at 20°C. A current is passed through the wire and the…
A: The solution can be achieved as follows.
Q: Example 1: What is the resistance of a Platinum resistor at 250 °C if its resistance at 20°C is 1050…
A: Given The platinum wire isAt T1= 200c is R1= 1050 ΩTemperature coefficient α=0.003895 /°c
Q: The resistance of a bulb filament is 1002 at a temperature of 100 °C. If its temperature coefficient…
A: In this question we need to find a temperature when resistance is 200 ohm
Q: Problem 13. Some copper wire has a resistance of 200 2 at 20°C. A current is passed through the wire…
A:
Q: 2. A wire is 4 in x 0.5 in x 20 ft and a resistivity of 15.75 (2 - CM)/ ft at 12 °C. Calculate its…
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Q: Find the resistance of a piece of 8 AWG lead wire 600ft long. Consider the temperature to be 20…
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Q: Find the resistance of an aluminum wire that has a length of 1000 m and a diameter of 1.626 mm. The…
A:
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,…
A: Given data: Length, L=1 m Resistance R=25 ohms Wire diameter, d=1 mm
Q: The resistance of a silver wire is 0.1Q at 20 °C. Atwhat temperature will its resistance increased…
A: In this solution we will try to establish the relation between the temperature and resistance of a…
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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- The resistivity of Cu at 0°C is 1.30×10-8 2m. The change in resistivity per degree Celsius is 0.02×10-8 Qm/°C. If resistivity of a Cu-10at%Ni alloy at 0°C is 5×10-8 Om, calculate the resistivity of Cu-40at%Ni alloy at 100°C. O 8x 10-8 Qm O 11 x 10-8 Qm 14 x 10-8 Qm O 17 x 10-8 Qm.A certain batch of copper wire was found to have a conductivity of 98% at 20°C. What is its resistivity in u0-cm?9. Which of the following statements about conductivity is correct? Distilled water has a lower conductivity than salt water Distilled water has a higher conductivity than salt water Distilled water and salt water have zero conductivity O Distilled water and salt water have a similar conductivity Question 10 10. Which of the following measurements of conductivity is the highest? O 1.2 mS/cm 1100 μS/cm O 0.2 mS/cm O 12 µS/cm
- Resistance of 800 2 has a conductance of O125 millisiemens O 1.25 millisiemens O 12.5 millisiemens 0.125 millisiemensDraw the current waveform in the circuit below if the peak Voltage at the anode is 12V sinusoidal. Neglect the forward voltage of the PUT. VAO R₁ 470 Ω VB +20 V R₂ 12 ΚΩ R3 10 ΚΩA barium titanate crystal has a thickness of 2 mm. Its voltage sensitivity is 12*10-3 Vm/N. It is subjected to a pressure of 0.5 MN/m2. What is the voltage generated ?
- The voltage sensitivities of Barium Titanate and Quartz are respectively 12 X 10-3 Vm/N and 50 X 10-3 Vm/N. Their respective permittivities are 125 X 10-8 F/m and 40.6 X 10-12 F/m. What are their charge sensitivities?D3 D1 V1 sine R1 1 kHz D2 D4 Given: • V1 = 5.9 Vrms • R1 = 7 kOhm • Diode voltage = 0.9 V What is the maximum voltage across resistor R1 (in V)?A voltage-multiplier has a Vm = 60 V peak sinusoidal secondary voltage. During the positive half-cycle, D1 conducts and D2 is cut-off, charging C1 up to what voltage level? C1 HE (A) OV B) 60 V V Ⓒ120 V (D) 180 V Vp 1:1 Vm = 60 V D1 D2 не C2 Ideal diodes C3 HE D3 D4 C4 :
- Calculate the voltage across R2 when the voltage drop across the diodes is 0.3 Vdc. CR1 CR2 E Vs Š R3 1202 S R4 15V 3002 2 R1 2 R2 8000 4502 А 15 V O V 1.9174 V 12.7826 V4. With reference to the Paschen curve below, Breakdown voltage (V) 60 55 50 45 40 35 30 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 pd (cm-torr) If a discharge at p = 0.1 torr, d = 20 cm is to be initiated, what is the voltage required to cause a breakdown? What will be the breakdown voltage if p = 0.025 torr, d= 20 cm?Estimate thermal voltage for 30o C.