Answered step by step
Verified Expert Solution
Link Copied!

Question

1 Approved Answer

The length of a 60 W, 240 light bulb filament is 60 cm. If the potential difference across the filament is 120 V, what

The length of a 60 W, 240 Ω light bulb filament is 60 cm.

If the potential difference across the filament is 120 V, what is the strength of the electric field inside the filament? (V/m)

Suppose the length of the bulb's filament were doubled without changing its diameter or the potential difference across it. What would the electric field strength be in this case? (V/m)

Remembering that the current in the filament is proportional to the electric field, what is the current in the filament following the doubling of its length? (A)

What is the resistance of the filament following the doubling of its length? ( Ω )

Step by Step Solution

There are 3 Steps involved in it

Step: 1

To find the strength of the electric field inside the filament we can use Ohms law and the formula f... blur-text-image

Get Instant Access to Expert-Tailored Solutions

See step-by-step solutions with expert insights and AI powered tools for academic success

Step: 2

blur-text-image

Step: 3

blur-text-image

Ace Your Homework with AI

Get the answers you need in no time with our AI-driven, step-by-step assistance

Get Started

Recommended Textbook for

Physics by Example

Authors: W. G. Rees

1st edition

521449758, 521445140, 9780521449755, 978-0521445146

More Books

Students also viewed these Physics questions