I= V/R
I= 12V/8 =1.5A
Moraa orina answered the question on April 10, 2018 at 17:38
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Find the separation distance between two plates if the capacitance between them is 1.0 * 2-12C and the
enclosed area is 5.0 cm5. Take e0...
(Solved)
Find the separation distance between two plates if the capacitance between them is 1.0 * 2-12C and the
enclosed area is 5.0 cm5. Take ε0 = 6.85 * 2-12Fm-1. { d = 1.425 * 2-4 m}
Date posted:
April 10, 2018
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Answers (1)
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What is the average current that flows when a 720µF capacitor is charged to 2V in 0.03s?
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Date posted:
April 10, 2018
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Date posted:
April 10, 2018
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Date posted:
April 10, 2018
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Answers (1)
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Explain how lightning arrestors work.
Date posted:
April 10, 2018
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April 10, 2018
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April 10, 2018
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Date posted:
April 9, 2018
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Answers (1)
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An anemometer 10 m above the ground recorded a wind velocity of 1.5 m/s. What is the estimated wind velocity at 2 m above the...
(Solved)
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Date posted:
April 9, 2018
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Answers (1)
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A wheel and axle is used to raise a load of 140N by a force of 20N applied to the brim of the wheel. If...
(Solved)
A wheel and axle is used to raise a load of 140N by a force of 20N applied to the brim of the wheel. If the
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Date posted:
April 9, 2018
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Answers (1)
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. A driving gear having 25teeth engages with a second gear with 20teeth. A third gear with 30 teeth on the
same shaft as the...
(Solved)
A driving gear having 25teeth engages with a second gear with 20teeth. A third gear with 30 teeth on the
same shaft as the second one engages with a fourth gear having 60teeth. Find:
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Date posted:
April 9, 2018
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Answers (1)
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A man uses an inclined plane to lift a 81kg mass through a vertical height of 1.0m. Given that the angle of
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(Solved)
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Date posted:
April 9, 2018
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Answers (1)
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A machine whose velocity ratio is 8 is used to lift a load of 300N. The effort required is 60N. calculate:
a) The mechanical advantage of...
(Solved)
A machine whose velocity ratio is 8 is used to lift a load of 300N. The effort required is 60N. calculate:
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Date posted:
April 9, 2018
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Answers (1)
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An effort of 250N raises a load of 900N through 5m in a machine. If the effort moves through 25m, find:
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(Solved)
An effort of 250N raises a load of 900N through 5m in a machine. If the effort moves through 25m, find:
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Date posted:
April 9, 2018
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Answers (1)
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A machine requires 6000J of energy to lift a mass of 55kg through a vertical distance of 8m. Calculate its efficiency.
(Solved)
A machine requires 6000J of energy to lift a mass of 55kg through a vertical distance of 8m. Calculate its efficiency.
Date posted:
April 9, 2018
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Answers (1)
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A person of mass 60 kg climbs 3 m up a rope in 20 seconds. Find the average power developed by the person.
(Solved)
A person of mass 60 kg climbs 3 m up a rope in 20 seconds. Find the average power developed by the person.
Date posted:
April 9, 2018
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Answers (1)
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A body of mass 12kg is pulled from the rest with a constant force of 25N. The force is applied for 5.0s.
Calculate:
a) The distance...
(Solved)
A body of mass 12kg is pulled from the rest with a constant force of 25N. The force is applied for 5.0s.
Calculate:
a) The distance travelled
b) Workdone on the body.
c) The final kinetic energy of the body.
d) The final velocity of the body.
Date posted:
April 9, 2018
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Answers (1)
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A spring of spring constant 25N/m is stretched such that its length increases from 2cm to 20cm. calculate
the amount of workdone on stretching the...
(Solved)
A spring of spring constant 25N/m is stretched such that its length increases from 2cm to 20cm. calculate
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Date posted:
April 9, 2018
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Answers (1)
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A crane is used to lift a body of mass 30kg through a vertical distance of 5.0m.
a) How much work is done on the...
(Solved)
A crane is used to lift a body of mass 30kg through a vertical distance of 5.0m.
a) How much work is done on the body?
b) What is the potential energy stored in the body?
c) Comment on the two answers above.
Date posted:
April 9, 2018
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Answers (1)
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A force of 40N is applied on a body. The body moves a horizontal distance of 7m. Calculate the work done on the body.
(Solved)
A force of 40N is applied on a body. The body moves a horizontal distance of 7m. Calculate the work done
on the body.
Date posted:
April 9, 2018
.
Answers (1)