A positively charged oil drop has a mass of 2.76 * 10^-14 kg. It is suspended...
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positively charged oil drop has a mass of 2.76 * 10^-14 kg. It is
suspended...
An oil drop carrying seven excess electrons is suspended between two charged parallel plates. The plats...
An oil drop carrying seven excess electrons is suspended between two charged parallel plates. The plats are seperated by a distance of 2 cm, and there is a potential difference of 950 V between the plates. What is the sign of the charge on the lower plate? What is the weight of the suspended oil drop?
In an oil-drop experiment a negatively charged oil drop has a mass of 3.0 x 10-15...
In an oil-drop experiment a negatively charged oil drop has a mass of 3.0 x 10-15 kg and is held at rest between two parallel plates separated by a distance of 2.0 cm. The potential difference between the plates is 460 V. a) On the diagram below, show all the applied forces on the drop. Do not include the buoyant force of the air on the oil drop. b) What is the strength of the electric field between the plates?...
In the early 1900s, Robert Millikan used small charged droplets of oil, suspended in an electric...
In the early 1900s, Robert Millikan used small charged droplets of oil, suspended in an electric field, to make the first quantitative measurements of the electron’s charge. A 0.74-μm-diameter droplet of oil, having a charge of +e+e, is suspended in midair between two horizontal plates of a parallel-plate capacitor. The upward electric force on the droplet is exactly balanced by the downward force of gravity. The oil has a density of 860 kg/m3, and the capacitor plates are 6.0 mm...
A negatively charged oil drop whose mass is 10-15 kg and whose charge is -6.4 10-19...
A negatively charged oil drop whose mass is 10-15 kg and
whose charge is -6.4 10-19 Coulombs remains stationary under the
influence of the Earth’s gravitational field and a uniform external
electric field made by two oppositely-charged parallel plates (see
diagram below). Ignore the influence of Earth’s electric field on
the oil drop.
Determine the magnitude and direction of the net
electric field created by the plates (not the electric field of the
oil drop !). Explain completely how you...
In a particular Millikan oil-drop apparatus, the plates are 2.25 cm apart. The oil used has...
In a particular Millikan oil-drop apparatus, the plates are 2.25 cm apart. The oil used has a density of 0.830 g/cm3 , and the atomizer that sprays the oil drops produces drops of diameter 1.00×10−3 mm . A. What strength of electric field is needed to hold such a drop stationary against gravity if the drop contains five excess electrons? B. What should be the potential difference across the plates to produce this electric field? C. If another drop of...
1. An oil drop with a mass of 2.45 g is suspended between two Problem 01...
1. An oil drop with a mass of 2.45 g is suspended between two Problem 01 oppositely-charged plates that are 10.00 cm apart and have a potential-- difference of 6000 V as shown in the diagram to the right. a.) Show the direction of the electric field on the diagram. b.) What is the magnitude of the electric field? c.) What is the force due to gravity acting on the oil drop? d.) What is the charge on the oil...
10. A parallel plate capacitor is charged up by a battery. The battery is then disconnected...
10. A parallel plate capacitor is charged up by a battery. The battery is then disconnected and the capacitor is kept isolated. The plates are then pulled apart. Which one of the following statements is correct? a) The potential difference between the plates remains the same. b) The charge in the capacitor increases. c) The capacitance increases. d) The charge in the capacitor dereases. e) The capacitance decreases.
Question 3 (3 points) In a Millikan Oil-Drop type experiment, oil drops with an excess charge...
Question 3 (3 points) 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.
a) An oil droplet with a mass of 7.20 x 10-16 kg is moving upward at...
a) An oil droplet with a mass of 7.20 x 10-16 kg is moving upward at a constant speed of 2.0 m/s between two horizontal charged plates. If the electric field strength between the plates is 2.20 x 104 V/m what is the charge on the oil droplet? Express your answer in the format of a.bc x 10-de C b) In a Millikan-type experiment, two horizontal charged plates are 2.5 cm apart. A latex sphere of 1.3 x 10-15 kg...
A parallel plate capacitor is constructed with plate area of 0.40 m2 and a plate separation...
A parallel plate capacitor is constructed with plate area of 0.40 m2 and a plate separation of 0.10 mm. How much charge is stored on it when it is charged to a potential difference of 12 V? A parallel-plate capacitor is filled with air, and the plates are separated by 0.050 mm. If the capacitance is 17.3 pF, what is the plate area? A parallel plate capacitor is constructed with plate area of 0.0010 m2 and a plate separation of...
A negatively charged oil drop whose mass is 10-15 kg and
whose charge is -6.4 10-19 Coulombs remains stationary under the
influence of the Earth’s gravitational field and a uniform external
electric field made by two oppositely-charged parallel plates (see
diagram below). Ignore the influence of Earth’s electric field on
the oil drop.
Determine the magnitude and direction of the net
electric field created by the plates (not the electric field of the
oil drop !). Explain completely how you...
1. An oil drop with a mass of 2.45 g is suspended between two Problem 01 oppositely-charged plates that are 10.00 cm apart and have a potential-- difference of 6000 V as shown in the diagram to the right. a.) Show the direction of the electric field on the diagram. b.) What is the magnitude of the electric field? c.) What is the force due to gravity acting on the oil drop? d.) What is the charge on the oil...
10. A parallel plate capacitor is charged up by a battery. The battery is then disconnected and the capacitor is kept isolated. The plates are then pulled apart. Which one of the following statements is correct? a) The potential difference between the plates remains the same. b) The charge in the capacitor increases. c) The capacitance increases. d) The charge in the capacitor dereases. e) The capacitance decreases.
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