Purchase Solution

Relationship between Resistance and Temperature

Not what you're looking for?

Ask Custom Question

Please help with the following thermodynamics problem.

The current, passing through an incandescent light bulb, becomes lower than the initial value, some moments later after it is switched on. Why?
a) Change in drift velocity
b) Change in Electrostatic Potential (Potential drop across the conductor)
c) Change in Resistance
d) Change in Conductance
Give arguments in support of your answer. Also, explain the full phenomenon lying behind it.

Purchase this Solution

Solution Summary

This solution helps with a thermodynamics problem involving light bulbs. The answer includes a detailed explanation of the given problem and provides students with a clear perspective of the underlying concepts.

Solution Preview

Problem: The current, passing through an incandescent light bulb, becomes lower than the initial value, some moments later after it is switched on. Why?

Solution:
The resistivity of a conductor increases with Temperature. An ideal electrical conductor (here, a filament of the electric bulb) has a positive temperature ...

Solution provided by:
Education
  • MSc, Osmania University
  • MSc, Indian Institute of Technology - Roorkee (I.I.T.-ROORKEE)
  • BSc, Banaras Hindu University
Recent Feedback
  • "Very fast turnaround. Excellent communication! Much appreciated!"
  • "excellent"
  • "excellent"
  • "excellent work"
  • "Fantastic..great solution and very well explained!!!!"
Purchase this Solution


Free BrainMass Quizzes
Intro to the Physics Waves

Some short-answer questions involving the basic vocabulary of string, sound, and water waves.

Classical Mechanics

This quiz is designed to test and improve your knowledge on Classical Mechanics.

Variables in Science Experiments

How well do you understand variables? Test your knowledge of independent (manipulated), dependent (responding), and controlled variables with this 10 question quiz.

The Moon

Test your knowledge of moon phases and movement.

Introduction to Nanotechnology/Nanomaterials

This quiz is for any area of science. Test yourself to see what knowledge of nanotechnology you have. This content will also make you familiar with basic concepts of nanotechnology.