What fraction of the total power is wasted in the leads

Assignment Help Physics
Reference no: EM13646096

8 lights are connected in parallel to a 110 V source by two long leads of total resistance 1.6 ohms. If 240 mA flows through each bulb, what is the resistance of each, and what fraction of the total power is wasted in the leads?

Reference no: EM13646096

Questions Cloud

A parallel-plate capacitor has fixed charges : A parallel-plate capacitor has fixed charges +Q and-Q. The separation of the plates is then doubled. By what factor does the energy stored in the electric field change?
Find what is the actual diameter of the red blood cell : A microscope has an objective lens with a focal length of16.22 mm and an eyepiece with a focal length of 9.40 mm. what is the actual diameter of the red blood cell
Determine the work done by the net force on the block : 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 degrees below the horizontal. Determine the work done by the applied force.
Explain temperature of substances at thermal equilibrium : A 32.5g cube of aluminum initially at 45.8C is submerged into 105.3g of water at 15.4C. What is the final temperature of both substances at thermal equilibrium. Assume that the aluminum and the water are thermally isolated from everything else.
What fraction of the total power is wasted in the leads : 8 lights are connected in parallel to a 110 V source by two long leads of total resistance 1.6 ohms. what fraction of the total power is wasted in the leads
Calculate the skiers acceleration : The skier has just begun descending the 30 degree slope.  The coefficient of sliding friction is 0.10.  Calculate (a) the skier's acceleration  (b) the speed they'll reach after 6.0 seconds.
Estimate what is the maximum value of the current : An ac generator emf is E= Em sin wd t, with Em = 30.0 V andwd = 309 rad/s. It is connected to a 17.1 H inductor. What is the maximum value of the current
Explain the reaction of a mixture of co and h2 : The reaction of a mixture of CO and H2 is predicted to produce 523g of CH3OH. If only 372g CH3OH is actually produced, what is the percent yield of the compound
A few decades ago, trucks had chains hanging down : A few decades ago, trucks had chains hanging down from ther back trailers that contacted the ground. This was extremely important in the case of gasoline trucks! Now trucks are made with conducting tires.

Reviews

Write a Review

Physics Questions & Answers

  Find the magnitude of the resulting magnetic field

A sphere of radius R is uniformly charged to a total charge of Q. It is made to spin about an axis that passes through its center with an angular speed ω. Find the magnitude of the resulting magnetic field at the center of the sphere.

  Find the equivalent resistance

A resistor is in the shape of a cube, with each side of resistance  R . Find the equivalent resistance between any two of its adjacent corners.

  What is the electric field at the location

Question: Field and force with three charges? What is the electric field at the location of Q1, due to  Q 2 ?

  What is the maximum displacement of the bridge deck

What is the maximum displacement of the bridge deck?

  What is the magnitude of the current in the wire

What is the magnitude of the current in the wire as a function of time?

  Blackbody

Questions on blackbody, Infra-Red Detectors & Optic Lens and Digital Image.

  Gravity conveyor

Illustrate the cause of the components accelerating from rest down the conveyor.

  Calculate the dc voltage

Calculate the dc voltage applied to the circuit.

  Quadrupole moments in the shell model

Quadrupole moments in the shell model

  Determine the tension in each string

Determine the tension in each string

  Introductory mechanics: dynamics

Calculate the smallest coefficient of static friction necessary for mass A to remain stationary.

  Evaluate maximum altitude

Evaluate maximum altitude?

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