Several resistors are connected in parallel. Which of the following statements are correct? Choose all that are correct
1.The equivalent resistance is greater than any of the resistances in the group.
2.The equivalent resistance is less than any of the resistances in the group.
3.The equivalent resistance depends on the voltage applied across the group.
4.The equivalent resistance is equal to the sum of the resistances in the group.
5.None of those statements is correct.
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Capacitors in Combination: The network shown is assembled with uncharged capacitors X , Y, and Z, with CX = 3.0 ?F, CY = 5.0 ?F and CZ = 1.0 ?F. The switches S1 and S2 are initially open, and a potential difference Vab = 120 V is applied between points a and b. After the network is assembled, switch S1 is then closed, but switch S2 is kept open. What is the final potential difference across capacitor Z? 
A. 100 V B. 600 V C. 55 V D. 38 V E. 29 V
When a comet is in the inner solar system, what part of it points most directly away from the Sun?
A) the denser side of its nucleus B) its coma C) jets of gas emerging from its nucleus D) its tail
A star with an apparent magnitude of +2.3 and an absolute magnitude of +5.9 lies ________ than 10 parsecs away
Fill in the blank(s) with correct word
How was the true rotation rate of Venus determined? Why does this make study of the Venusian surface hard for observers on the Earth?
What will be an ideal response?