4. How much work is done when an electron passes through a 20.000 V potential (in...
How much kinetic energy will an electron gain (in joules) if it accelerates through a potential difference of 1.75×104 V ?
1: How much work is done to move a proton from a potential of 5 V to a potential of 20 V... a) In ev? b) In Joules? c) Was the work done by the field, or by an external force? 2: What potential is needed to accelerate a proton to 50,000 m-s? 3: What potential is needed to accelerate an electron to 50,000 m-s'? 4: Given a breakdown voltage for air of 3.0x 10* V-m1, how close would you...
7. What is the amount of energy needed to move an electron through an electrical potential of 3 volts in electronvolts? [3eV] a. W = (V)(a) W= b. in joules? [4.810"}] 8. What is the amount work needed to move 3 electrons through a potential difference of 12 volts a. in electonvolts? [36 eV] W = (v) (a) W= b. in joules? (5.76x10"}]
An electron has been accelerated from rest through a potential difference of 700 V . What is the electron's kinetic energy, in electron volts? What is the electron's kinetic energy, in joules? What is the electron's speed?
2. How much work does the electric field do in moving a proton from a point at a potential of 125 V to a point at - 45 V Express your answer both in joules and electron volts.
How much work does the electric field do in moving a proton from a point with a potential of +149 V to a point where it is -70 V? Express your answer both in joules and electron volts. J eV
How much work does the electric field do in moving a proton from a point with a potential of +130 V to a point where it is -70 V ? Express your answer in joules. Express your answer in electron volts.
If the positive potential below (+) is 11V, and the negative (-)is -3V, how much work will be done when a negative test charge of -2C is moved from infinity to the center of the +11V potential area? Give your answer in Joules. (Note, The middle area denotes an area of O potential) 0 V
How much work does the electric field do in moving a proton from a point with a potential of +140 V to a point where it is -60 V ? A.Express your answer in joules. b. Express your answer in electron volts.
Calculate the work done on an electron that moves through a potential difference of 1V. This energy defines what we call and electron volt or eV.