In the figure, if a = 2.0 cm, b = 4.0 cm, and I = 2.0 A, what is the magnitude of the magnetic field at point P?
a.
49 ?T
b.
39 ?T
c.
50 ?T
d.
69 ?T
e.
13 ?T
b
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a. increase charge c. decrease capacitance b. decrease charge d. increase capacitance
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a. unnatural b. empirical c. hypothetical d. principles e. assumptions
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Glycerin, with a viscosity of 1.50 Ns/ m2, is flowing with an average speed of 1.20 m/s through a tube that has a radius of 5.00 mm and is 25.0 cm long. What is the drop in pressure?
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