# The electron beam in a TV picture tube Carrie's 1015 electrons per second. Determine the voltage needed to accelerate the electron beam to achieve a power of 4 W.

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The electron beam in a TV picture tube Carrie's 1015 electrons per second. Determine the voltage needed to accelerate the electron beam to achieve a power of 4 W.

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Step 1

In the given problem the electron beams are generated from the cathode and accelerated towards the screen. The current carried by the given electron beam is calculated as shown below:

Step 2

The power of the given electron beam is 4W and the current flowing in the beam is calculated above. The electron beam in the  TV picture tube is shown below:

Step 3

The power of the given  beam of electron carryin...

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