Which of the following is not a type of
electromagnetic wave?
a) a radio wave
b) an X-ray
c) a sound wave
d) a light wave
c
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A 4-ohm and 6-ohm resistor connected in parallel have an equivalent resistance of
A) 2.4 ohms. B) 4 ohms. C) 5 ohms. D) 5.5 ohms. E) 10 ohms.
Note the expression: y = A/x2 . Which statement is most consistent with this expression?
a. y is less than A b. if x is doubled, y is multiplied by a factor of four c. if x is halved, y is multiplied by a factor of four d. y is greater than x
An emf of 0.26 V is induced in a 0.40-H inductor. What is the rate of change of current through the inductor?
a. 0.80 A/s c. 0.13 A/s b. 1.3 A/s d. 0.65 A/s
Limestone may be made up of
A) fragments of granitic and andesitic rocks. B) animal bones. C) shell fragments from marine animals. D) plant debris.