One type of ink-jet printer, called an electrostatic ink-jet printer, forms the letters by using deflecting electrodes to steer charged ink drops up and down vertically as the ink jet sweeps horizontally across the page. The ink jet forms 30.0 μm-diameter drops of ink, charges them by spraying 800,000 electrons on the surface, and shoots them toward the page with a horizontal velocity of 22.0 m/s. Along the way, the drops pass through the long axis of two horizontal, parallel electrodes that are 6.0 mm long, 4.0 mm wide, and spaced 1.0 mm apart. The distance from the center of the electrodes to the paper is 1.50 cm. To form the letters, which have a maximum height of 6.0 mm, the drops need to be deflected up or down a maximum of 3.0 mm. Ink, which consists of dye particles suspended in alcohol, has a density of 800 kg/m³. Part A What electric field strength is needed between the electrodes to achieve this deflection? Express your answer with the appropriate units. ► View Available Hint(s) μÅ E = 9.84 105 ● Submit Previous Answers V m ?
One type of ink-jet printer, called an electrostatic ink-jet printer, forms the letters by using deflecting electrodes to steer charged ink drops up and down vertically as the ink jet sweeps horizontally across the page. The ink jet forms 30.0 μm-diameter drops of ink, charges them by spraying 800,000 electrons on the surface, and shoots them toward the page with a horizontal velocity of 22.0 m/s. Along the way, the drops pass through the long axis of two horizontal, parallel electrodes that are 6.0 mm long, 4.0 mm wide, and spaced 1.0 mm apart. The distance from the center of the electrodes to the paper is 1.50 cm. To form the letters, which have a maximum height of 6.0 mm, the drops need to be deflected up or down a maximum of 3.0 mm. Ink, which consists of dye particles suspended in alcohol, has a density of 800 kg/m³. Part A What electric field strength is needed between the electrodes to achieve this deflection? Express your answer with the appropriate units. ► View Available Hint(s) μÅ E = 9.84 105 ● Submit Previous Answers V m ?
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Transcribed Image Text:One type of ink-jet printer, called an electrostatic
ink-jet printer, forms the letters by using deflecting
electrodes to steer charged ink drops up and down
vertically as the ink jet sweeps horizontally across
the page. The ink jet forms 30.0 µm-diameter
drops of ink, charges them by spraying 800,000
electrons on the surface, and shoots them toward
the page with a horizontal velocity of 22.0 m/s.
Along the way, the drops pass through the long axis
of two horizontal, parallel electrodes that are
6.0 mm long, 4.0 mm wide, and spaced 1.0 mm
apart. The distance from the center of the
electrodes to the paper is 1.50 cm. To form the
letters, which have a maximum height of 6.0 mm,
the drops need to be deflected up or down a
maximum of 3.0 mm. Ink, which consists of dye
particles suspended in alcohol, has a density of
800 kg/m³.
▼
Part A
What electric field strength is needed between the electrodes to
achieve this deflection?
Express your answer with the appropriate units.
► View Available Hint(s)
0
μÅ
E = 9.84 • 105
Submit Previous Answers
V
m
?
X Incorrect; Try Again; 13 attempts remaining
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