Physics, 21.02.2020 23:54 happy121906
Assume a rectangular strip of a material with an electron density of n=5.8x1020 cm-3. The strip is 8 mm wide and 0.8 mm thick and it is in a magnetic field of 5 T pointing out of the paper plane. The Hall voltage is measured to be 1.5 mV What was the current during this measurement? State the current in Amp units.
Answers: 1
Physics, 22.06.2019 04:30
In a system, when potential energy decreases, then entropy also decreases. true false
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Physics, 22.06.2019 19:30
Visualize the problem and identify special cases first examine the problem by drawing a picture and visualizing the motion. apply newton's 2nd law, ∑f⃗ =ma⃗ , to each body in your mind. don't worry about which quantities are given. think about the forces on each body: how are these consistent with the direction of the acceleration for that body? can you think of any special cases that you can solve quickly now and use to test your understanding later? one special case in this problem is if m2=0, in which case block 1 would simply fall freely under the acceleration of gravity: a⃗ 1=−gj^.
Answers: 1
Physics, 22.06.2019 19:50
An electron moves with a constant horizontal velocity of 3.0 × 106 m/s and no initial vertical velocity as it enters a deflector inside a tv tube. the electron strikes the screen after traveling 26 cm horizontally and 19 cm vertically upward with no horizontal acceleration. what is the constant vertical acceleration provided by the deflector? (the effects of gravity can be ignored.)
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Physics, 23.06.2019 01:00
7types of electromagnetic waves from lowest to highest frequency
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Assume a rectangular strip of a material with an electron density of n=5.8x1020 cm-3. The strip is 8...
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