A 100-w 120-v lightbulb has a resistance of 12 ohms when

Assignment Help Physics
Reference no: EM13614690

A 100-W, 120-V lightbulb has a resistance of 12 Ohms when cold (20 degrees C) and 140 Ohms when on (hot). Calculate its power consumption at (a) the instant it is turned on, and (b) after a few moments when it is hot.

Reference no: EM13614690

Questions Cloud

At the end of the current year the accounts receivable : at the end of the current year the accounts receivable accounthas a balance of 650000 and net sales for the year
What will be the ending balance in the allowance : a company had credit sales of 5.0 million for the year andestimates their bad debts to be 1 of net credit sales.
An astronaut on the planet zircon tosses a rock : an astronaut on the planet zircon tosses a rock horizontally with a speed of 6.55ms . the rock falls through a vertical
A during 2006 avalon company recorded baddebt expense of : a. during 2006 avalon company recorded baddebt expense of 10000 and wrote off an uncollectible accountreceivable
A 100-w 120-v lightbulb has a resistance of 12 ohms when : a 100-w 120-v lightbulb has a resistance of 12 ohms when cold 20 degrees c and 140 ohms when on hot. calculate its
Genentech which is a biotechnology firm reported : a. express company sold goods for 20000 to northwoodcompany on march 12 on credit. terms of the sale were 210n30. at
Math hi it is math liner algebra the question is on the : hi ...... ltbrgtit is math liner algebra the question is on the attach file ltbrgt the assignment due. at
Hometown paper the building that im looking to write about : the building that i3939m looking to write about it is taj mahal. by apa style ltbrgt ltbrgtevery details uploaded in
Leadership define integrity what relationship is between : define integrity. what relationship is between integrityleadership. while abraham lincoln and john f kennedy were

Reviews

Write a Review

Physics Questions & Answers

  How far is the childs face from the ball

A child looks at a reflective Christmas tree ball ornament that has a diameter of 9.0cm, How far is the child's face from the ball

  Find the distance in km that each car travel in that time

In an instant given two cars are moving in opposite directions and they are separate a distance of 300km. Determine the distance in Km that each car travel in that time

  A pion decays into a muon and a neeutrino in the rest frame

a pion decays into a muon and a neeutrino. in the rest frame of the pion the muon always has a speed of .507c. if a

  Determine the depth d of liquid in the tank

The level of the liquid surface in the tank can be calculated. If the pressure on the gage is 20 kPa, Determine the depth d of liquid in the tank?

  Calculate the initial speed of the bullet-block system

A bullet with mass 5.06 g is fired horizontally into a 2.038-kg block attached to a horizontal spring. Find the initial speed of the bullet-block system

  What is the magnitude of force propelling bobsled forward

The speed of a bobsled is increasing because it has an acceleration of . At a given instant in time, the forces resisting the motion, including kinetic friction and air resistance, total 500 N.

  Find what is the mutual inductance of these coils

A toroidal solenoid has a mean radius of 18.0 cm and a cross-sectional area of 4.00 cm^2 and is wound uniformly with 115 turns. What is the mutual inductance (M) of these coils

  Find what is the capacitance of a drop

Assume that a drop of mercury is an isolated sphere. What is the capacitance of a drop that results when 10 drops each of radius R = 2.80 mm merge

  What torque is required to bring the merry-go-round

A playground merry-go-round, made in the shape of a solid disk, hasa diameter of 2.50 m and a mass of 350.0 kg. Two children, each ofmass 30.0 kg, sit on opposite sides at the edge of the platform.Approximate the children as point masses.

  What is the resistance of the coil in the motor

A vacuum cleaner is connected to a 120V socket and uses 3.0 A when the back emf generated by the electric motor is 72 volts. What is the resistance of the coil in the motor?

  What is the velocity of enterprise

The spaceship Enterprise 1 is moving directly away from earth at a velocity that an earth-based observer measures to be +0.80c. A sister ship, What is the velocity of Enterprise 2

  Estimate the frequency of the fundamental on this string

A string 1.4 m long with a mass of 2.1 g is stretched between two fixed points with a tension of 80 N. Find the frequency of the fundamental on this string

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