Answer
Mechanical.
Electrical and thermal.
Work Step by Step
Mechanical energy is used to move the lever, and the light comes from electrical current passing though a tungsten filament, which also produces resistive heat (thermal energy).
Chemistry and Chemical Reactivity (9th Edition)
by Kotz, John C.; Treichel, Paul M.; Townsend, John R.; Treichel, David A.
Published by
Cengage Learning
ISBN 10:
1133949649
ISBN 13:
978-1-13394-964-0
Chapter 1 Basic Concepts of Chemistry - Study Questions - Page 21a: 11
Update this answer!
You can help us out by revising, improving and updating this answer.
Update this answerAfter you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.
