What if a cylindrical capacitor has an inner conductor with a radius of 1.5 mm and an outer conductor with a radius of 3.4 mm. And the two conductors are separated by vacuum, and the entire capacitor is 3.0 m long.
a) Then what is the capacitance per unit length?
b) If the potential of the inner conductor is 350 mV higher than that of the outer conductor. Find the charge (in magnitude and sign) on both conductors. Find the charge (in magnitude and sign) on both conductors.
Part(a): The capacitance per unit length of the capacitor is
Part(b): The charge in the inner shell is
The capacitance (C) per unit length of a cylindrical capacitor is given by
Given, b=3.4mm=0.0034 and a=1.5mm=0.0015 mm. We know,
As the voltage on the inner conductor is higher than that of the outer conductor, positive charge resides on the inner shell and negative charge resides on the outer shell.
The charge 'Q' of a capacitor of length 'L' having capacitance 'C' and potential difference 'V' is given by
The charge in the inner shell is
At the beginning of an environmental study, ad forest covered an area of .Since then, this area has decreased by 4.25% each year.Let t be the number of years since the start of the study.Let y be the area that the forest covers in .
Write an exponential function showing relationship between y and t.
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t e^-4t sin3t
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Pets Plus and Pet Planet are having a sale on the same aquarium. At Pets Plus the aquarium is on sale for 30% off the original price and at Pet Planet it is discounted by 25%.
of Aquarium ($)
If the sales tax rate is 8%, which store has the lower sale price?
, 1 of 1.Select ChoicePets PlusPet Planet has the lower sale price.
Fill in the blank question.
How much will you save by buying the aquarium at the store with the lower sale price? Round to the nearest cent.
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