What is the potential difference across the headlight bulbs

Assignment Help Physics
Reference no: EM13274049

An automobile battery has an emf of 12.2 V and an internal resistance of 0.088 omegacap.gif. The headlights have a total resistance of 3.30 omegacap.gif (assumed constant).

(a) What is the potential difference across the headlight bulbs when they are the only load on the battery?

=________ V

(b) What is the potential difference across the headlight bulbs when the starter motor is operated, and taking an additional 31.0 A from the battery?

=_______ V

Reference no: EM13274049

Questions Cloud

What is the nominal dollar amount of your last withdrawal : How much can you withdraw each month from your account in real terms assuming a 25-year withdrawal period? What is the nominal dollar amount of your last withdrawal?
Define what is the concentration of ag+ : A beaker contains 250 mL of .0150 M silver ion. To this beaker is added 250 mL of .300 M bromide ion. What is the concentration of Ag+ in the final solution. Ksp for AgBr = 5.0 x 10^-13
Explain what determines which region the transistor is in : What is the difference between the saturation and active regions of a BJT. What determines which region the transistor is in.
What is the phase constant of the motion : What is the phase constant of the motion and what are its position and direction of travel at t = 2.00 s, what is the first time when the object is at maximum velocity?
What is the potential difference across the headlight bulbs : An automobile battery has an emf of 12.2 V and an internal resistance of 0.088 omegacap.gif. What is the potential difference across the headlight bulbs when they are the only load on the battery
Find magnitude of electric field intensity on inner comductr : A long cable with cylindrical cross-section has inner conductor of radius a and an outer conductor of inner radius b and outer radius c. The dielectric constant of the material between the conductors is 3.
Explain how many grams of aqueous hf : How many grams of .49% wt% aqueous HF are required to provide a 25% excess to react with 25 mL of .023 M Th^4+ by the reaction Th^4+ + 4F^- --> ThF4
What is the new frequency you detect from godzilla : as you get closer, you notice that it is GODZILLA!! and he sees you! and begins to come after you!! if you are now moving away at 15 m/s, what is the new frequency you detect from GODZILLA
Explain what is the concentration of the reactant b : A certain second-order reaction ( B--> product) has a rate constant of 1.50×10?3 M-1*S-1 at 27C and an initial half-life of 214s. What is the concentration of the reactant B after one half-life

Reviews

Write a Review

Physics Questions & Answers

  Find the power delivered to the resistor

The output voltage of an AC generator is given by ?v = (120 V) sin (50?t). The generator is connected across a 25.0-? resistor. Find the power delivered to the resistor

  At what average rate does the force from the cable

What should the charge (sign and magnitude) of a particle of mass 1.49g be for it to remain stationary when placed in a downward-directed electric field of magnitude 700 N/C.

  What is the exact current in register

A 211-? and a 221-? resistor are connected in series across an unspecified power supply, what is the exact current (in A) through the 221-? resistor

  How much work is done on the box

A gardener pushes a box of tools across a driveway by applying a 22.5- N force that pushes downward at an angle of 23.1 o, How much work is done if the box moves 2.55 m in the horizontal direction

  What are the displacement and velocity of point on cord

What are the displacement and velocity of the point on the cord. What is the magnitude of the acceleration of one of the liners toward the other because of their mutual gravitational attraction.

  Find magnitude and direction of force on each electron

An electron beam in an oscilloscope is deflected by the electric field produced by oppositely charged metal plates. If the electric field between the plates is 2.75 105 N/C directed downward, what is the magnitude and direction of the force on eac..

  What is the net value of electric flux

Four protons and four electrons are located inside a pyramid and are separate from each other, What is the net value of electric flux through the surface of the pyramid

  Compute direction for the resultant

The magnitudes of the four displacement vectors shown in the drawing are A = 20.0 m, B = 11.0 m, C = 12.0 m, and D = 21.0 m.

  Find out the speed of the cylinder at the top of the loop

A liquid of refractive index 'n' is filled in a beaker of height 'h'. Find the amount by which a coin at its bottom seems to be raised.

  What is the speed at which the belt of the ramp is moving

A speed ramp at an airport is basically a large conveyor belt on which you can stand and be moved along. The belt of one speed ramp moves at a constant speed such that a person who stands still on it leaves the ramp 66 s after getting on.

  Find the minimum angle between the ladder and the floor

A 6 m long 50 kg ladder leaning on a frictionless wall can successfully be scaled by a 120 kg man. find the minimum angle between the ladder and the floor

  Disregard the width of the crossing

A stone is thrown vertically upward with a speed of 12.3 m/s from the edge of a cliff 84.6m high. What is the speed just before hitting.

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