In a Millikan Oil-Drop type experiment, oil drops with an excess charge of two electrons are suspended between the two plates. If the mass of the oil drop is one million times the mass of the proton, and the plates are 2.5 cm apart, what is the voltage of the upper plate relative to that of the lower plate? Assume a uniform field between the two plates,
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- A spherical water droplet of radius 25 m carries an excess 250 electrons. What vertical electric field is needed to balance the gravitational force on the droplet at the surface of the earth?What is the electric field of a proton at the first Bohr orbit for hydrogen (r=5.291011m) ? What is the force on the electron in that orbit?The practical limit to all electric field in air is about 3.00106 N/C. Above this strength, sparking rakes place because air begins to ionize, (a) At this electric field strength, how far would a proton travel before hitting the speed of light (ignore relativistic effects)? (b) Is it practical to leave air in particle accelerators?
- Suppose Earth and the Moon each carried a net negative charge Q . Approximate both bodies as point masses and point charges. (a) What value of Q is required to balance the gravitational attraction between Earth and the Moon? (b) Does the distance between Earth and the Moon affect your answer? Explain. (c) How many electrons would be needed to produce this charge?The assignment will be completed after one hour and 15 minutes. I want to answer before this one and get a high rating An electron is released from rest near the negative plate. lf the voltage difference between the plates aV = Vba = 20 kv, what ould its velocity be when it reaches the positive plater (charge of the electron e= - 1.602x10C and mass of the electron me=9.109x10kg)O A par of parallel plates with a totad area of 25 mm? and spaced somm aport are atached to a 1.5V battery. (a) What is yhe electnic field bctween the plates (6) Wnat electron can achieve movna between the plate is the matimuna vebc ty that an C what is the madimum KE that a t2.0n C Charge can ackieve un eV units. a) If the lates have a vacuum between (no dielectric), what is the capeci touce? le) What charse is placed on the plates ? A It a plates, how will the capecitance and electric field be a ffected? (increase, decrease, ornoeffect dielectric is pleced between theA positively charged oil droplet remains in the electric field between twohorizontal plates, separated by a distance 1 cm. If the charge on the drop is3.2 x 10^-19 C and the mass of the droplet is 10^-14 kg what is the potentialdifference between the plates? Now if the polarity of the plates is reversedwhat is the instantaneous acceleration of the droplet?... Path of trajectory AV w An electron is fired at a speed v¡ = 3.4 x 106 m/s and at an angle 0; = 30.5° between two parallel conducting plates as shown in the figure. If s = 1.5 mm and the voltage difference between the plates is AV = 98 V, determine how close, w, the electron will get to the %3D %3D bottom plate. Put your answer in meters and include at 6 decimal places in your answer. Do not include units. The x-axis of the coordinate system is in the middle of the parallel plate capacitor. Round your answer to 6 decimal places.A particle with a charge of -3 x 10-8 C and 2x 10-5 J of kinetic energy enters the regionbetween two charged parallel plates as shownto the right. How far into the region will theparticle travel? If an electron were releasedfrom rest next to the negative plate, with whatspeed would it strike the positive plate?in a straight line with a 6° Omis. I t 'enters underges migh along the same straight line, An electron is moving a region 5.1 m Olong where it on ocelerotion of where it on occelerotion 5.1um 12 6.2.10" What is the electrons velo city in (mis) when i this emerges from tis region? mis bl How lang regien? Cins) does the electron take to cross thePlease explain Keatly 'aind cleardy with Equationo oShowrng the corest process Yand answees I have tilud tuwo way La(6). and only gethe same answeifor 10 Quest ioi (6). Thauk yau!/ An electron with a speed of 3.70 × 108 cm/s in the positive direction of an x axis enters an electric field of magnitude 2.74 x 103 N/C, traveling along a field line in the direction that retards its motion. (a) How far will the electron travel in the field before stopping momentarily, and (b) how much time will have elapsed? (c) If the region containing the electric field is 4.17 mm long (too short for the electron to stop within it), what fraction of the electron's initial kinetic energy will be lost in that region? (a) Number i 0:0142239849 Units meteRs (b) Number i 7.69X 10 - 9 seconds Units (c) Number i -1 i UnitsSEE MORE QUESTIONS