Why the resistivity of Copper Wire cannot found by Analogue Ammeter??

Q: . Determine the resistance and power consumption of the resistor in Figure 11.46. | = 2.80 A (A) AV…

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Q: A resistor made of Nichrome wire is used in an application where its resistance cannot change more…

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Q: If you touch the terminal of a battery, the small area of contact means that the skin resistance…

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Q: Calculate the resistance of 100-m wire having a cross-sectional area of 0.1mm^2 and made of manganin…

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Q: What shunt resistance is required to make mA, zu galvanometer into an ammeter with a range 0.0 mA?

A: Shunt resistance is defined as the slope of the dark current versus applied voltage to the detector.

Q: Assuming a constant temperature coefficient of resistivity, what is the maximum percent decrease in…

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Q: In which circuit would ammeter A show the greatest current? 1.5V 1.5V (1) (3) 1.5V 1.5V (2) ( 4 )

A: The equivalent resistance in the series combination is  R = R' + R''  The equivalent resistance in…

Q: se mesh analysis to determine the three mesh currents in the circuit shown in Fig. 3 2-2 7v 3-2 bv…

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Q: The wires of our appliances are insulated with a material mixed with rubber, which has a very high…

A: Hello. Since you have posted multiple questions and not specified which question needs to be solved,…

Q: An electronic device designed to operate at any temperature in the range from -17.1°C to 59.4°C…

A: T i =-17.1°C  T f =59.4°C αC=-0.500×10-3 /°C Let the resistance at -17.1°C  is Ro and at 59.4°C is…

Q: The resistance R of a copper wire at temperature T = 30°C is R = 13 Q. Estimate the resistance at T…

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Q: A nichrome wire of length 1.5 m is used as conductor. The cross-sectional area of the  wire is 0.75…

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Q: What is the resistance of a 0.60-mm-long axon?

A: While the length substituted is correct, the area of the cross section is wrong. You only calculated…

Q: The resistivity of copper is 1.70 x 10-8 Ω ⋅ m. (a) Find the resistanceof a copper wire with a…

A: (a). The resistance of the wire is

Q: A wire whose length is 2m and whose diameter is 1.5mm carries a current of 1.2A. The wire dissipates…

A: The resistance of the wire is related to its length and cross sectional area of the wire by the…

Q: A 560-W heating coil designed to operate from 110 V is made of Nichrome wire 0.640 mm in diameter.…

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Q: For some an application, it is important that the value of a resistance not change with temperature.…

A: Given: Total resistance of carbon & nichrome wire-wound resistor, Rt=4.7 kΩ Standard data:…

Q: Consider a resistor of resistivity 3.49 x 1050. m, length 17.93 m, and unknown cross-sectional area.…

A: Ohm's law explains the linear relationship between the current and the voltage of the resistance.…

Q: . A certain lightbulb has a tungsten filament with a resistance of 19.0 N when at 20.0°C and 140 N…

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Q: A 9V battery is connected across a potentiometer (device with variable resistance). As the…

A: We have , V=IR  Where V = voltage I = Current R = resistance

Q: ce of the combination of the r

A: GivenRA=25 ΩRB=30 ΩRC=15 ΩRD=10 Ω

Q: You need a 45 Ω resistor, but the labroom has only 20 Ω and 50 Ω resistors. For a minimum number of…

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Q: Find the ratio of the diameter of silver to tungsten wire, if they have the same resistance per unit…

A: Given, silver and tungsten wire have same resistance(R) per unit length (L). we have determine the…

Q: Thermal energy is produced in a resistor at a rate of 150 W when the current is 3.50 A. What is the…

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Q: Real resistors can only be manufactured to a specific tolerance, so that in effect the value of the…

A: The current flowing the element is I = 1 A. The resistance of the resistor is 5.4 kΩ or 5400 Ω with…

Q: Calculate the voltage across a 1.0 k Q resistor when the current through it is indicated by the…

A: Given data: Resistance (R) = 1.0 kΩ Current (I) = 10 mA Required: Voltage (V)

Q: A certain lightbulb has a tungsten filament with a resistance of 19.0 Ω when at 20.0°C and 140 Ω…

A: Given  The resistance of tungsten filament when it is hot is R = 140 Ω. The resistance of tungsten…

Q: Tow resistors R, and R2 are Conneoted in parallel in an electric eircuit .IR the resis tor R. is…

A: Scenario - Two resistors are joined in parallel, due to errors the resistances change so total…

Q: Discuss the distinction between resistance and resistivity. Which is proper, to speak of the…

A: Resistance and resistivity are both distinctive terms.

Q: Calculate the drift velocity of electrons in a 12-gauge copper wire (which has a diameter of 2.053…

A: Denote the radius of the copper wire with r while the area with A. The expression to determine the…

Q: MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER A certain laboratory experiment requires an aluminum wire…

A: Given: Length l = 30.0 m Resistance R = 4.40 ohm Temperature T = 20o C Resistivity of aluminium(at…

Q: In a Wheatstone bridge experiment using a 5 ohm known resistor, the balance point for a certain…

A: The known resistance used in the Wheatstone bridge is R = 5Ω. Consider the resistance of the unknown…

Q: Equation P = I2R Seems to suggest that rate of increase of internal energy in a resistor is reduced,…

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Q: A 500-W heating coil designed to operate from 110 V is made of Nichrome wire 0.500 mm in diameter.…

A: a)

Q: The wires of our appliances are insulated with a material mixed with rubber, which has a very high…

A: Since you are not mention which question to answer. I answer the first question. Please…

Q: Assuming a constant temperature coefficient of resistivity, what is the maximum percent decrease in…

A: The expression for resistance,

Q: If a resistor placed across a 20V source absorbs 420J of energy in 7minutes, what is the value of…

A: Given that:- E=20VP=4207×60=1 J/sR=?   Since, P=E2R

Q: Unreasonable ResultsTwo resistors, one having a resistance of 145 Ω , are connected in parallel to…

A: R1 =  145 ohm  R = 150 ohm

Q: Calculate the resistance of 100-m wire having a cross-sectional area of 0.1mm^2 and made of manganin…

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Q: 12.0 N 4.00 2 5.00 0 6.00 2 8.00 0

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Q: Try this: CONDUCTIVITY PROBLEM What is the minimum diameter (D) of the Cu wire so that AV < 1.5 V?…

A: Given, Current in the wire, I = 2.5 A length of the wire, L = 100 m conductivity of the wire, σcu =…

Q: Can you think a situation in which measurement of a resistor’s value would be important?

A: When we apply potential difference across a circuit then current flows through the circuit. To…

Q: What would happen to the temperature and the resistivity value of a wire if the current were very…

A: Now if the current in the wire would be too large a value :-  If the current is too large, the heat…

Q: If a wire is stretched to double its original length without loss of mass, how will the resistivity…

A: The resistivity of material is a property of material it is fixed for material.

Q: A current-carrying gold wire has diameter 6.96 mm. The electric field in the wire is 0.58 V/m. What…

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Q: A certain toaster has a heating element made of Nichromeresistance wire. When the toaster is first…

A: Part (a)The expression of power of toaster is expressed as

Q: At what temperature will aluminum have a resistivity that is two times the resistivity of copper at…

A: Given data *The given room temperature is T0 =  20° C *Aluminium resistivity is two times the…

Q: A nichrome wire of length 1.5 m is used as conductor. The cross-sectional area of thewire is 0.75…

A: Length of the wire is L = 1.5 m Cross sectional area of wire is A = 0.75 m2  Resistivity of nichrome…