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A beam of electrons moving

A beam of electrons is moving in a horizontal circle in a uniform magnetic field that is directed downward. The speed of the
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2. asked by Trace
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A television set shoots out a beam of electrons. The beam current is 10E-6Amp(10macroAmp. How many electrons srike the TV screen
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2. asked by Mazino
3. 565 views
A beam of electrons moving in the x-direction at 8.3Mm/s enters a region where a uniform 240G magnetic field points in the
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2. asked by tali
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The electrons in a beam are moving at 2.8 ×108 m/s in an electric ﬁeld of 17000 N/C. What value must the magnetic ﬁeld have
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2. asked by Anonymous
3. 1,060 views
A beam containing one hundred billion (i.e. 1x10^11) electrons moves perpendicula to a 4.0 Tesla magnetic field and is deflected
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2. asked by GRISSELL
3. 611 views
What is the kinetic energy of each electron in a beam of electrons if the beam produces a diffraction pattern of a crystal which
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2. asked by Lacey
3. 1,018 views
How does magnification occur in an electron microscope?Light is changed into electrons by a convex lens. An electron beam makes
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2. 74 views
in an electron microscope, a tungstun cathode with work function 4.5 eV is heated to release electrons that are then initially
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2. asked by shelly
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If a beam of blue light was shone through a glass prism, you would expect to seeA. The beam pass straight through, unaltered B.
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2. asked by Dave
3. 603 views
the heating effect of the fuse wire is caused by...a) emmision of moving electrons by stationary atoms b) absorption of moving
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2. asked by peter
3. 564 views