Calculate the resistivity of your skin

Assignment Help Physics
Reference no: EM13247260

Two straight wire-electrodes are placed, in parallel, across your index finger a distance 2.50 cm apart. The terminals of a battery, with a voltage of 8.20 V, are attached, one to each electrode. If an ammeter in series with the electrodes displays a current of 0.760 µA, what is the resistance of your skin?

The width of the contact of each wire with your skin is 1.10 cm and the thickness of the conducting layer of your skin is 0.023 mm.
Assuming that these two dimensions define an area through which the current flows, calculate the resistivity of your skin.

Reference no: EM13247260

Questions Cloud

Find impulse response of equation using z-transform : For the difference equation below, find the impulse response by first solving without any transforms. Assume sequence is zero-valued for n
What is rms voltage across the primary side of transformer : A) What is the rms current in the circuit B) The primary side of the transformer has 20 times as many turns as the secondary side. What is the rms voltage across the primary side of the transformers
A demand curve that is horizontal indicates that the commodi : A demand curve that is horizontal indicates that the commodity
What are the equivalent admittance and conductance : Three branches having impedances of 3 + /4 O, 16 - /12 ft, and - / 4 ft, respectively, are connected in parallel. What are the equivalent (a) admittance, (b) conductance, and (c) susceptance of the parallel connection in millisiemens
Calculate the resistivity of your skin : The width of the contact of each wire with your skin is 1.10 cm and the thickness of the conducting layer of your skin is 0.023 mm, calculate the resistivity of your skin
Calculate the power factor at whic the source operates : In each of the three phases in a balanced delta- connected load is composed of a 10mF capacitor in parellel with a series-connected 470 ohm resistor and 4mH inductor combination, assume a phase voltage of 400 V at 50 Hz
Find the probibility thats screws drawn will be defective : Three screws are drawn at random from a lot of 200 screws, 10 of which are deffective. Find the probibility thats the screws drawn will be nen defective in drawing a.) WITH replacement
Calculate the new demand for dollars at each exchange rate : Suppose the demand for dollars increases by 300 billion at each exchange rate. Explain if the increase in demand results from a large purchase b the Chinese of a new American-made airplane or a large purchase by Americans of new lower priced Chinese-..
Explain what action should be taken in terms of adjusting : Explain what action should be taken in terms of adjusting output if it is determined that marginal cost is greater than marginal revenue.

Reviews

Write a Review

Physics Questions & Answers

  What is the magnification of an image

A dentist uses a small mirror with a radius of 36 mm to locate a cavity in a patient's tooth. If the mirror is concave and is held 16 mm from the tooth, what is the magnification of an image.

  Determine the charge of the particle

A moving particle encounters an external electric field that decreases its kinetic energy from 8650 eV to 6910 eV as the particle moves from position A to position B. The electric potential at A is -56.5 V, and the electric potential at B is +28.1..

  How long will it take the camel to cross desert

A rectangular container measuring 23 cm 51 cm 65 cm is filled with water. What is the mass of this volume of water in kilograms and grams.

  What is the exact potential drop

A 124-? resistor and a 163-? resistor are both connected in parallel across a power supply, what is the exact potential drop (in V) across the 163-? resistor

  What is the electric potential energy of a typical

In response to a stimulus, membrane can become permeable to Na ions. As Na ions rush into the cell, the interior of the cell reaches an electric potential of about 40 rm mV.

  Illustrate what is the horizontal distance from point a to b

At a certain point, A, in its motion, its velocity angle is 19° above the horizontal. At another point, B, later in its motion, its velocity angle is 39° below the horizontal. Illustrate what is the horizontal distance from point A to point B?

  Why circular orbit of the particle encloses a magnetic flux

why circular orbit of the particle encloses a magnetic flux.

  Which driveway will be safer to park in

A 40-kg girl is bouncing on a trampoline. During a certain interval after leaving the surface of the trampoline, kinetic energy decreases to 240J from 470J. How high does she rise during this interval? Avoid air resistance.

  What final speed would the skier achieve

Three blocks, each of mass 12 kg are on the frictionless table. A hand pushes on the left most box (A) such that the three boxes accelerate in the positive horizontal direction as shown at a rate of a = 1.1 m/s2. What is the net horizontal force on b..

  How many revolutions did the disc make during this time

A circular loop in the plane of the paper lies in a 0.55T magnetic field pointing into the paper. If the loop's diameter changes from 20 cm to 5 cm what is the magnitude of the average induced emf.

  What is the largest displacement

A shopper pushes a cart 39 m south down one aisle and then turns 90.0° west and moves 27 m. He then makes another 90.0° turn and moves 14 m.

  Find the direction of the net force acts on the sailboat

A 380-kg sailboat has an acceleration of 0.636 m/s2 at an angle of 65.5 ° north of east. Find the direction of the net force that acts on the sailboat

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd