In an LCR series circuit the capacitive reactance is 24 W. If the AC frequency halves, what will be the resulting capacitive reactance?
a. 24 W
b. 48 W
c. 12 W
d. Additional information is need to find the value.
B
Physics & Space Science
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An aggregate of two or more minerals is called a(n) ________.
Fill in the blank(s) with the appropriate word(s).
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Iridescent colors in the pearly luster of an abalone shell are due to
A) refraction. B) diffraction. C) dispersion. D) polarization. E) interference.
Physics & Space Science
Wave 1 has amplitude of 9.0 units and wave 2 has amplitude 4.0 units. What is the ratio of their intensities, I1/I2?
A. 20 B. 5.1 C. 2.3 D. 1.5 E. 1.3
Physics & Space Science
The figure shows a ‘snapshot’ of four different waves in identical ropes stretched with the same force
The wave with the largest frequency is
a.
I.
b.
II.
c.
III.
d.
IV.
e.
all of the above.
Physics & Space Science