How many large moons does Saturn have?
A) 4
B) 3
C) 2
D) 1
E) 0
D
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Since Mars's axis is tipped 25.2o to its orbit, it experiences ____
a. seasons b. day and night c. extreme temperature fluctuations d. solar eclipses e. auroras
Determine the energy stored by C4 when C1 = 20 ?F, C2 = 10 ?F, C3 = 14 ?F, C4 = 30 ?F, and V0 = 45 V.
A. 3.8 mJ B. 2.7 mJ C. 3.2 mJ D. 2.2 mJ E. 8.1 mJ
A long straight wire is parallel to one edge and is in the plane of a single-turn rectangular loop as shown. If the loop is moving in the plane shown so that the distance x changes at a constant rate of 20 cm/s, what is the magnitude of the emf induced in the loop at the instant x = 5.0 cm? Let I = 50 A, a = 50 cm, b = 6.0 cm
a.
11 ?V
b.
22 ?V
c.
27 ?V
d.
16 ?V
e.
34 ?V
Distinguish between a high- and a low-pressure cell