My account
Edit my Profile
Private messages
My favorites

The efficiency of a device such as a lamp can be calculated using this equation: efficiency = (useful energy transferred ÷ energy supplied) × 100 Using the formula, calculate th…

Ask a Question
Questions
Unanswered
Tags
Ask a Question

asked Oct 2, 2020 3.6k views

5 votes

The efficiency of a device such as a lamp can be calculated using this equation: efficiency = (useful energy transferred ÷ energy supplied) × 100 Using the formula, calculate the efficiency of the lamp shown in the diagram above.

Physics
middle-school

Iancoleman asked

by Iancoleman

8.9k points

0 Comments

Please log in or register to add a comment.

Please log in or register to answer this question.

2 Answers

4 votes

Post a picture of the diagram and I can help!

RngTng answered Oct 4, 2020

by RngTng

8.4k points

0 Comments

Please log in or register to add a comment.

2 votes

Answer:

70%

Step-by-step explanation:

I did this on USATestPrep

Vendettacore answered Oct 9, 2020

by Vendettacore

8.2k points

0 Comments

Please log in or register to add a comment.

← Prev Question Next Question →

No related questions found

Ask a Question

Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

9.4m questions

12.2m answers

The efficiency of a device such as a lamp can be calculated using this equation: efficiency = (useful energy transferred ÷ energy supplied) × 100 Using the formula, calculate th…

Please log in or register to add a comment.

Please log in or register to answer this question.

2 Answers

Please log in or register to add a comment.

Please log in or register to add a comment.

No related questions found

Categories

Other Questions