A 60 W lamp is on for 60 seconds. How much energy is consumed?

Unlock all questions

This demo includes only 20 questions. Upgrade to access hundreds of questions, flashcards, exam simulations, and disable ads.

Full question bankExam simulationsFlashcards
From $9.99Unlock all

Prepare for the MIAT Physics Test with our comprehensive quizzes. Use multiple choice questions and review explanations for each answer. Get ready to excel in your exam!

Multiple Choice

A 60 W lamp is on for 60 seconds. How much energy is consumed?

Explanation:
Energy used by an electrical device equals its power times the time it runs. A 60 W lamp delivers 60 joules each second. If it stays on for 60 seconds, the energy is 60 J/s × 60 s = 3600 J. (Since 1 W = 1 J/s, the units check out.) So the lamp consumes 3600 joules of energy in that minute. (That’s 3.6 kJ.) The other numbers would come from different times or misreading the units.

Energy used by an electrical device equals its power times the time it runs. A 60 W lamp delivers 60 joules each second. If it stays on for 60 seconds, the energy is 60 J/s × 60 s = 3600 J. (Since 1 W = 1 J/s, the units check out.) So the lamp consumes 3600 joules of energy in that minute. (That’s 3.6 kJ.) The other numbers would come from different times or misreading the units.

More Multiple Choice Questions
Subscribe

Get the latest from Examzify

You can unsubscribe at any time. Read our privacy policy