A battery with an emf-what is internal resistance of battery

Assignment Help Physics
Reference no: EM13647545

A battery with an emf of 1.5 V and a 12 Ω resistorare the only two components in a circuit. You measure the current flowing through the circuit to be 0.090 A. What is the internal resistance of the battery?

Reference no: EM13647545

Questions Cloud

Calculate the current in the copper and aluminum : A copper wire of radius a = 0.331 mm has an aluminumjacket of outer radius b = 0.459 mm. There is a currenti = 2.23 A in the composite wire. Take the resistivity for copper and aluminum to be 1.69 x 10-8Ω·m and2.75 x 10-8Ω·m.
Current along path through thumb and index finger exceeds : A person notices a mild shock if the current along a path through the thumb and index finger exceeds 72µA. Compare the maximum possible voltage without shock acrossthe thumb and index finger with a dry-skin resistance of3.0 multiplied by 105 and a we..
Electronto travel the full length of the cable : A 170 km long high-voltage transmissionline 2.0 cm in diameter carries a steady current of 1040 A. If the conductor is copper with a free chargedensity of 8.0 multiplied by 1028electrons per cubic meter,
Find the radius of resulting circular path : An electron traveling at 812 m/s enters a5.7 T magnetic field. The angle betweenthe velocity and the field is 83o. Find the radius of the resultingcircular path.
A battery with an emf-what is internal resistance of battery : A battery with an emf of 1.5 V and a 12 Ω resistorare the only two components in a circuit. You measure the current flowing through the circuit to be 0.090 A. What is the internal resistance of the battery?
Determine the work done by the applied force : A block of mass 2.50 kg is pushed 2.20 m along a frictionlesshorizontal table by a constant 16.0 N force directed 25.0 degreesbelow the horizontal. Determine the work done by the applied force.
Coherent light that contains two wavelengths : Coherent light that contains two wavelengths, 665 nm (red) and 575 nm (yellow), passesthrough two narrow slits separated by 0.300 mm, and theinterference pattern is observed on a screen 5.00 m from the slits.
Magnetic flux passing through a single loop : The magnetic flux passing through a single loop in a transformer changes at a rate of 3 Wb/s. The primary coil has 90 loops and the secondary coil has 532 loops. Find the voltage in each coil.
What was speed of the automobile just before hitting wall : A 1200 kg automobile crashes into a brick wall, collapsing thefront end 1.5 meters. If the averge retarding force applied by the brick wall to the automobile is 2000 N through out the entire time of crash, what was the speed of the automobile just..

Reviews

Write a Review

Physics Questions & Answers

  What is hucks velocity relative to the river bank

Huck Finn walks at a speed of .6m/s across his raft (that is perpendicular to the raft's motion relative to the shore). what is Huck's velocity(speed and direction) relative to the river bank

  What is the resonance frequency

Consider an LC circuit in which L = 470 mH and C = 0.102 µF. What is the resonance frequency and If a resistance of 1.30 k? is introduced into this circuit, what is the frequency of the damped oscillations

  What is the current through the other lamp

In a circuit of two lamps in series, if the current through one lamp is 2 A, what is the current through the other lamp

  To rank items as equivalent, extend beyond them

A small object with a mass of 333 mg carries a charge of 30.0 nC and is suspended by a thread between the vertical plates of the parallel-plate capacitor. The plates are separated by 2cm.

  Using the rayleigh criterion

Using the Rayleigh criterion, one concludes that using fixed wavelength light that it is not possible to resolve details less than about

  Describe and explain relationship between vt and b2

A conducting rectangular loop of mass M, resistance R, and dimensions w by l falls from rest into a magnetic field. All through the time interval before the top edge of the loop reaches the field, the loop approaches a terminal speed vT.

  Find the mass of jupiter

Europa, one of the moons of Jupiter, was discovered by Galileo in 1610. Europa has a circular orbit of radius 6.708 108 km and period 3.551 days. Find the mass of Jupiter

  A long straight but hollow wire carries a current i

a long straight but hollow wire carries a current i uniformly distributed throughout its area excluding the hollow. the

  What is the velocity of the puck

At time t = 0 s, a puck is sliding on a horizontal table with a velocity 3.60 m/s, 35.0° above the +x axis, What is the velocity of the puck at time t = 1.50 s

  What is the work done by friction during the blocks motion

You have invented a new game and are playing it with your friends. You have a projectile launcher that fires a brick (mass=2 kg) with a speed and angle that you can adjust. What is the work done by friction during the block's motion

  How fast were you going as you exited the intersection

You are driving a car at the 25-mi/h speed limit when you observe the light at the intersection 68 m in front of you turn yellow. How fast were you going as you exited the intersection

  Find the average power delivered to the train

Please help me solve this problem: The electric motor of a model train accelerates the train from rest to 0.600 m/s in 33.0 ms. Find the average power delivered to the train

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