Ask Question, Ask an Expert

+61-413 786 465

info@mywordsolution.com

Ask Physics Expert

A common flashlight bulb is rated at 0.202 A and 3.82 V (the values of current and voltage under operating conditions). If the resistance of the bulb's tungsten filament at room temperature (20.0° C) is 1.10 ? , estimate the temperature of the tungsten filament when the bulb is turned on.

Physics, Academics

  • Category:- Physics
  • Reference No.:- M91064170

Have any Question?


Related Questions in Physics

Question a solid sphere and a solid disk of the same mass

Question: A solid sphere and a solid disk of the same mass and radius are rolling wihtout slipping at the same speed. A. What is the ration of their kinetic energies? B. What is the ratio of their angular momenta (measur ...

Question if a proton moved from a location with a 50v

Question: If a proton moved from a location with a 5.0V potential to a location with 7.5V potentia, would its potential energy increase or decrease? If an electron moved from a location with 7.5V potential to a location ...

Question a thin film of mgf2 n 138 coats a piece of glass

Question: A thin film of MgF_2 (n= 1.38) coats a piece of glass. Constructive interference is observed for the reflection of light with wavelengths of 500 nm and 625 nm. What is the thinnest film for which this can occur ...

Can you please explain how to get an answer for this

Can you please explain how to get an answer for this question and what formula to use step by step and why. "In a race you first ride a bicycle at an anverage speed of 18.4 mi/h for 19.5 miles, then you must run for anot ...

Question red light of wavelength 633 nm from a helium-neon

Question: Red light of wavelength 633 nm from a helium-neon laser passes through a slit 0.400 mm wide. The diffraction pattern is observed on a screen 3.45 m away. Define the width of a bright fringe as the distance betw ...

Question the potential difference between the surface of a

Question: The potential difference between the surface of a 3.5 cmdiameter power line and a point 1.0 m distant is 3.6 kV. What is the line charge density on the power line? The response must be typed, single spaced, mus ...

Questionnbspthe three 250g masses are connected by massless

Question:  The three 250g masses are connected by massless, rigid rods. What is the triangle's moment of inertia about the axis through the center? What is the triangle's kinetic energy if it rotates about the axis at 6. ...

Question part a what magnitude of force must the worker

Question: Part A: What magnitude of force must the worker apply to move the crate at constant velocity? Express your answer using two significant figures. Part B: How much work is done on the crate by this force when the ...

Question a researcher observes hydrogen emitting photons of

Question: A researcher observes hydrogen emitting photons of energy 1.13eV . What are the quantum numbers of the two states involved in the transition that emits these photons? Express your answers as integers separated ...

Question an object of mass m attached to a spring of force

Question: An object of mass m attached to a spring of force constant k oscillates with simple harmonic motion. The maximum displacement from equilibrium is A and the total mechanical energy of the system is E. What is th ...

  • 4,153,160 Questions Asked
  • 13,132 Experts
  • 2,558,936 Questions Answered

Ask Experts for help!!

Looking for Assignment Help?

Start excelling in your Courses, Get help with Assignment

Write us your full requirement for evaluation and you will receive response within 20 minutes turnaround time.

Ask Now Help with Problems, Get a Best Answer

Why might a bank avoid the use of interest rate swaps even

Why might a bank avoid the use of interest rate swaps, even when the institution is exposed to significant interest rate

Describe the difference between zero coupon bonds and

Describe the difference between zero coupon bonds and coupon bonds. Under what conditions will a coupon bond sell at a p

Compute the present value of an annuity of 880 per year

Compute the present value of an annuity of $ 880 per year for 16 years, given a discount rate of 6 percent per annum. As

Compute the present value of an 1150 payment made in ten

Compute the present value of an $1,150 payment made in ten years when the discount rate is 12 percent. (Do not round int

Compute the present value of an annuity of 699 per year

Compute the present value of an annuity of $ 699 per year for 19 years, given a discount rate of 6 percent per annum. As