Calculate the resistance per unit length of nichrome wire
(a) Calculate the resistance per unit length of a Nichrome wire, which has a radius of 0.321 mm. (b) If a potential difference of 10 V is maintained across a 1.0 m length of the Nichrome wire, what is the current in the wire?
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If X is a random variable equal to the number of defective fuses in the sample of 10, find the probability of accepting the lot.
The copper wire in a typical residential building has a cross-sectional area of 3.31 x 10-6 m2. If it carries a current of 10.0 A, what is the drift speed of the electrons? Assume that each copper atom contributes one free electron to the current.
What is the total moment M due to the force about point O? Assume that moments acting counterclockwise about point O are positive whereas moments acting clockwise are negative.
What is the value of the mean absolute deviation for the given data? What will be the predicted sales for February of the next quarter?
A 20 mm diameter steel bar is to be used as a torsion spring. If the torsional stress in the bar is not to exceed 100 MPa when one end is twisted through an angle of 15degree, what must be the length of the bar?
Determine the diameter of the pupils of his eyes that would be required for him to be able to resolve the squirrels as separate objects. In this calculation use a wavelength of 498 nm (in vacuum) for the light.
Given the returns and probabilities for the three possible states listed here, calculate the covariance between the returns of Stock A and Stock B. For convenience, assume that the expected returns of Stock A and Stock B are 0.13 and 0.18, respect
The upper half of the container holds steam (of density 5kg/m^3) while the lower half contains water (of density 1000 kg/m^3). What fraction of the overall mass is steam?
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