An acid added to a base will produce a
a. salt and hydrogen ions.
b. salt and hydroxide ions.
c. salt and water.
d. stronger acid and base.
c
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If the frequency of the AC voltage across an inductor is doubled, the inductive reactance of that inductor
A) decreases to one-half its original value. B) increases to twice its original value. C) decreases to one-fourth its original value. D) increases to 4 times its original value.
Work: A 2.0-kg object is lifted vertically through 3.00 m by a 150-N force. How much work is done on the object by gravity during this process?
Fill in the blank(s) with the appropriate word(s).
An ideal solenoid with 400 turns has a radius of 0.040 m and is 40 cm long. If this solenoid carries a current of 12 A, what is the magnitude of the magnetic field at the center of the solenoid? (?0 = 4? × 10-7 T ? m/
A) A) 16 mT B) 4.9 mT C) 15 mT D) 6.0 mT E) 9.0 mT
Where on the ecliptic is the vernal equinox located?