Capacitors connected in parallel based problem
Suppose after charging a 14.4 µF capacitor to 15 V, you connect it to another already charged capacitor of 7 µF and 9 V. What voltage will your voltmeter read across those two capacitors connected in parallel?
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What proportion of the following sample of ten measurements lies within 2 standard deviation of the mean?
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A uniform electric field of magnitude 445 N/C pointing in the positive x-direction acts on an electron, which is initially at rest. The electron has moved 3.10 cm. What is the change in potential energy associated with the electron?
A wire of initial length L0 and radius r0 has a measured resistance of 1.0 . The wire is drawn under tensile stress to a new uniform radius of r = 0.45r0. What is the new resistance of the wire?
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What is the margin of error. What is the ci interval based on your margin of error. If you wanted to ensure a margin of error of no more than 15 customers what sample size do you need?
Nichrome wire of cross-sectional radius 0.786 mm is to be used in winding a heating coil. If the coil must carry a current of 9.50 A when a voltage of 2.10 102 V is applied across its ends, find the following. (a) the required resistance of the co
A sample of 145 values is randomly selected from a population with mean equal to 43 and standard deviation equal to 19. (Give your answers correct to one decimal place.)
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