A silver wire is 6.9 m long and 0.79 mm in diameter. What is itsresistance?

Q: The inner vessel of an electrocalorimeter is made of copper and has a mass of 50 grams. It contains…

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

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Q: Find the value of R Conductor and it uncertainty if V= 4.2+- 0.1v I=0.38+- 0.05A

A: Given, V=4.2±0.1 VI=0.38±0.05 A From Ohm's Law, V=IR where, V→Voltage I→Current R→Resistance

Q: At what temperature will silver have a resistivity that is two times the resistivity of iron at room…

A: The resistivity of silver  is calculated as,         Rt = R0[1+α(T-T0)] Here,  Rt is the resistivity…

Q: Current 0300 A thlouph f a:30o Youl Chest Can send Your heart fibrillation 2 runing into the normal…

A: Charge is defined as the number of electrons flowing per unit time. It is denoted by q. Its unit is…

Q: A spruce tree is 20 m tall with a trunk diameter of 0.4 m. Its needles have a measured water…

A: The given information is:Water potential of needles is -2.5 MPa.Water potential of roots is -1.2…

Q: Silver wire has a cross-sectional area A = 2.0 mm2. A total of 9.4 x 10 electrons pass through the…

A: IMPORTANT TIPS: formula for current in conductor as in below picture

Q: Compute the flux density in air at a point 6.0 cm from a long straight wire carrying a current of…

A: The magnetic field due to a long wire at a distance is  where, I is the current and r is the…

Q: A cylindrical copper wire has a diameter 4 mm and length 10 cm with a conductivity 5x107 S/m. If an…

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Q: 4) A 13.5 Ω resistor is made from a coil of copper wire whose total mass is 17.0 g . Part A What is…

A: Given data The resistance of the copper wire is given as R = 13.5 Ω. The mass of the copper wire is…

Q: Q4) Attempt to answer ONE branch only: a) If the electron concentration increase along the x-axis of…

A: We can use the formula, J=eDn(dn(x)/dx)

Q: Q: The electron density increase along the x– axis as given (n=100+10®x+4 + 10“x² ) if diffusion…

A: The diffusion current can be said to be due to  the movement caused by variation in carrier…

Q: A micrometer screw gauge is used to measure the diameter of a copper wire. The reading with the wire…

A: To determine: The diameter of the wire, kept in a micrometer screw gauge which is used to measure…

Q: Q2] A copper wire of 3mm diameter with conductivity of 5.8 10 (2.m)", and electron mobility of…

A: Here given a copper wire with mobility 0.0032 m² V sec. The electric field of 30 mVm. We have to…

Q: A 15.2 Ω resistor is made from a coil of copper wire whosetotal mass is 15.5 g. What is the diameter…

A: Resistance, R = 15.2 Ω  mass, m = 15.5 g  Resistivity = 1.7 x 10-8 Ωm

Q: What is the electric field of a material when the current is equal to 25A, the resistance is…

A: Write the given value of this problem. Current(I)=25 AResistance(R)=78 ohmCurrent density(J)=24…

Q: Conductor Physics Question

A: Based on the units, the options mentioned in the question represent resistivity (ρ) values of…

Q: +15m/s.When the pacikaged is drgpped. I f it t pacicaye strilces the ground, how high above the…

A: We know that let the velocity of the helicopter moving upward is u and it takes a time t  before the…

Q: Calculate the specific conductivity of the conductor in Mega(Ωm)-1 since the current passing through…

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Q: A length of copper wire is connected to a constant voltage source and a current of 0.4 A is…

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Q: What must be the length of this wire? What must be the diameter of this wire?

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Q: We supply electric current continously to an electric heater. But the temperature of heater remains…

A: When the temperature of the heater increases continuously, the energy is lost in the form of thermal…

Q: Aresistor with a resistance of 2 M2 is connected in series with a 5 µF capacitor and a battery with…

A: solution is given as

Q: wire

A: Given: The potential difference across the wire = 4 Volts Length of the wire = 5 m Cross-sectional…

Q: The following table gives the lengths of three copper rods, their diameters, and the potential…

A: Electric Field E=VL

Q: 2.1 A piece of wire l cm long carries a current I when a voltage V is applied across its ends at a…

A: Given data: Length of wire at 0∘C is, l1=L cm. Magnitude of current at 0∘C is, I. Voltage applied…

Q: A current of 44.7 mA flows in a silver wire of diameter 2.55 mm. Find the electric field strength…

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Q: The resistance of a copper wire increases by a factor of 1.32 when current flows through the wire…

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Q: Which of the following materials is an electrical insulator? to. A. Ceramics b. Lead c. Silver d.…

A: Ceramics are electrical insulators.the material does not conduct electricity. So these are mainly…

Q: Which of the following materials best conducts electric current? A Gold b. Silver c. Copper d. Glass…

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Q: If the viscosity of blood is 2.1 x 10^-3 pa.s, and capillary of 100 um radius has a length of 4cm ,…

A: The formula of the fluid resistance is  R =8 η Lπ r4 where, L is the length and r is the radius and…

Q: A standard TTL gate has a fan-out of 10. Are any of the gates in Figure 14-51 overloaded? If so,…

A: YES   FIRST ONE

Q: A copper wire is fabricated that has a gradually increasing diameter along its length as shown. If…

A: To find: If an electric current is moving through a copper wire, along with the length of the wire,…

Q: A hollow metal cylinder has inner radius a, outer radius b, length L, and conductivity . The current…

A: Given: The inner radius is a. The outer radius is b. The length is L. the current is I. The…

Q: An object of mass m falls from rest and its velocity v given by dv m+kv =S. dt Use the Integrating…

A: Differential equations are equations that contain variable relations to one or more variables in the…

Q: An ion channel in a cell membrane is modeled as a cylindrical opening in the membrane. Because the…

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Q: Could a person on intravenous infusion (an IV) be microshock sensitive?

A: IV infusion

Q: A wire of copper having length I and area of cross-section A is taken and a current / is flown…

A: The power dissipated in the wire of some material X having an area A and length L, with current I…

Q: A rectangular aluminum bus bar is 0.9m long, 0.15 m wide, 0.013m (1.3cm) thick. If the current in…

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