What does the convective mass transfer coefficient represent?
What will be an ideal response?
The convective mass transfer coefficient is the coefficient or parameter that
relates the prediction of mass diffusion or mass flow from a region of high
density, or molar concentration, of a substance to one of lower density.
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A charged capacitor is connected to an inductor to form an LC circuit with a frequency of oscillation f = 1.6 Hz. At time t = 0 the capacitor is fully charged
At a given instant later the charge on the capacitor is measured to be Q = 3 ?C and the current in the circuit is equal to 75 ?A. What is the maximum charge of the capacitor? A) 6 ?C B) 10 ?C C) 8 ?C D) 2 ?C E) 4 ?C
The voltage across a 10-ohm resistor carrying 5 A is
A) 5 V. B) 10 V. C) 15 V. D) 20 V. E) more than 20 V.
Explain Occam's Razor
What will be an ideal response?
Rank the magnitudes of the following magnetic fields from largest to smallest, noting any cases of equality
(a) the field 2 cm away from a long, straight wire carrying a current of 3 A (b) the field at the center of a flat, compact, circular coil, 2 cm in radius, with 10 turns, carrying a current of 0.3 A (c) the field at the center of a solenoid 2 cm in radius and 200 cm long, with 1 000 turns, carrying a current of 0.3 A (d) the field at the center of a long, straight, metal bar, 2 cm in radius, carrying a current of 300 A (e) a field of 1 mT
1.a > e > b > d > c 2.e > d > b > c > a 3.e > c > b > a > d 4.e > c > b > a > d 5.b > c > d > a > e