Find the batterys internal resistance

Assignment Help Physics
Reference no: EM13313651

A battery has an emf and an internal resistance . When the battery is connected to a 25 ohm resistor, the current through the battery is 0.65 A . When the battery is connected to 60 ohm resistor, the current is 0.50 A.

a) Find the battery's emf

b) Find the battery's internal resistance

Reference no: EM13313651

Questions Cloud

Assume the products of the precipitation reaction : Can anyone explain to me how to figure this out in steps please? Predict the products of the precipitation reaction. Write the net ionic equation
Influence of social and perception of social media : The influence of social and perception of social media by Turkish travel media when they are engaged with British female travellers
What is the probability : The probability that a student passes a written test for a private pilot's license is 0.75. What is the probability that a student will fail the test on the first attempt and pass it on the second attempt?
Calculate the area of reinforcement required : A short Reinforced Concrete column is 300mm x 400mm. It is required to carry an ultimate load of 1500kN and an ultimate major axis bending moment of 300kNm. Calculate the area of reinforcement required.
Find the batterys internal resistance : A battery has an emf and an internal resistance . When the battery is connected to a 25 ohm resistor, the current through the battery is 0.65 A. Find the battery's internal resistance
What is the longest amount of time that particle can take : If the tank is 2 meters deep and the particle enters the tank at the surface of the water, what is the longest amount of time that the particle can take to settle, if it is to be removed
Explain what is the ph of the resulting solution : A solution was prepared by mixing 0.01150 HA and 0.01150 mol of NaA in a 500 ml Volumetric flask and diluting to mark. What is the pH of the resulting solution
Calculate how much bod is remaining after 12 days : A 250 cubic meter reaction tank contains a waste water having an ultimate BOD concentration of 755 mg/L. If the BOD reaction rate constant is -0.352/day, how much BOD is remaining after 12.0 days
Compute the new partial pressures after equilibrium : After a quantity of NO2(g) is injected into the mixture, the total pressure jumps to 812 torr. Calculate the new partial pressures after equilibrium is re- established.

Reviews

Write a Review

Physics Questions & Answers

  Find out the magnitude of the impulse delivered to the car

In a crash test, a 1100 kg car slams into a concrete wall at 17.1 m/s and comes to rest in 0.275 s. a)Find out the magnitude of the impulse delivered to the car.b) Find the average stopping force.

  How fast is galaxy moving

Galaxy A is moving away from us with a speed of 0.80c relative to the earth. How fast is galaxy A moving according to an observer in galaxy B

  What is the change in marys potential energy

What is the change in Marys potential energy. Find the final speed of the particle.

  What is the angular velocity of the door just after impact

A 10 g bullet traveling at 430m/s strikes a 13kg , 1.1-m-wide door at the edge opposite the hinge, What is the angular velocity of the door just after impac

  Find the transmitted intensity for each

Meanwhile, Isaac is piloting his ship in the westward direction, also at 0.89, toward Albert's ship. With what speed does Isaac see Albert's light beam pass his ship.

  Expected values of 3-year hybrid car lease

Expected Values of 3-Year Hybrid Car Lease, Beverly Mills has decided to lease a hybrid car to save on gasoline expenses and to do her part to help keep the environment clean

  What beat frequency is produced

A custom car built for pretentious people has two brass horns that are supposed to produce the same frequency, What beat frequency is produced

  Compute the frequency of the motion

The position of an object connected to a spring varies with time according to the expression x = (5.4 cm) sin(9.3?t). Find the frequency of the motion

  Find the velocity of the second marble after the collision

A student removes a 10.50 kg stereo from a shelf that is 1.802 m high. The amplifier is lowered at a constant speed to a height of 0.75 m. What is the work done by a) person and b) gravitational force that acts on the amplifier.

  What is the numerical value of the angular momentum

The Hall voltage across a conductor in a 42mT magnetic field is 1.9mu V. When used with the equal current in a different magnetic field, the voltage across the conductor is 2.7mu V.

  How much work has been done on the girl by the force

A young girl with mass 35.5kg is sliding on a horizontal, frictionless surface with an initial momentum that is due east and that has magnitude 86.0kg?m/s, How much work has been done on the girl by the force in the time interval from t= 0s to the ..

  Compute the thermal conductivity of the styrofoam

A Styrofoam box has a surface area of 0.79 m2 and a wall thickness of 2.0 cm. determine the thermal conductivity of the Styrofoam.

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