Register

A 30.0 W light bulb in a simple DC circuit is powered by a 9.0 V battery. Assuming there are no other circuit elements, how much current flows through the lightbulb?

A 30.0 W light bulb in a simple DC circuit is powered by a 9.0 V battery. Assuming there are no other circuit elements, how much current flows through the lightbulb?
4.0k views
1 vote
A 30.0 W light bulb in a simple DC circuit is powered by a 9.0 V battery. Assuming there are no other circuit elements, how much current flows through the lightbulb?

User Kumar Lokesh Rathod
by
7.1k points

1 Answer

5 votes
As we know,

power = (voltage * current) \\ so \: current = (power / voltage)
User Gileneusz
by
8.2k points
← Prev Question Next Question →

Related questions

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

Categories

Other Questions

A piston-cylinder device fitted with stops in the cylinder walls contains 2.1 kg of water initially at 150 kPa and 30 °C. Heat is transferred to the system until the final temperature reaches 250 °C. The
4. Which of the following is the first thing you should do when attempting to park? A. Securing the parking spot by standing in it B. Turning on your hazard lights C. Confirming the space can fit your
A water towers lowest point is 405 ft and the main line is 6 feet below the ground. The ground elevation is at 276 ft. The main line travels 2.9 miles. The pipe will travel through the following flanged
Link Copied!