Archive for the ‘Physics’ Category

 

What does the waste energy do to the temperatrue of the air around the television set?

Sunday, October 5th, 2008
television
Zelda M asked:


Based on the energy transferred each second by the television.

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In a television set, electrons are accelerated from rest through a potential difference of 26 kV. The electron?

Wednesday, November 1st, 2006
television
needphysics help asked:


In a television set, electrons are accelerated from rest through a potential difference of 26 kV. The electrons then pass through a 0.31-T magnetic field that deflects them to the appropriate spot on the screen. Find the magnitude of the maximum magnetic force that an electron can experience.

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The picture tube in a particular television draws a current of 13 A. How many electrons strike the viewing?

Tuesday, February 21st, 2006
television
zdwilly asked:


The picture tube in a particular television draws a current of 13 A. How many electrons strike the viewing screen every second?
?electrons/s

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what is the potential difference across a picture tube in a television?

Saturday, January 7th, 2006
television
Chelsea V asked:


The picture tube in a television set has a resistance of 5.0 x 10^4 ohms and draws a current of 160mA.
how do you find the potential difference in the following question:

The picture tube in a television set has a resistance of 5.0×10^4 ohms and draws a current of 160mA.

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