Food cooked in a microwave oven depends on electrical
A) conduction.
B) charge polarization.
C) resistance changes.
D) field strength.
E) all of the above
Answer: B
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The neutral hydrogen atom consists of
a. one proton and one neutron. b. one proton. c. one proton, one neutron, and one electron. d. one proton and one electron. e. an isotope and an ion.
When a speeding roller-coaster car is at the bottom of a loop, the magnitude of the normal force exerted on the car’s wheels due to its interaction with the track is
A. Greater than the weight of the car and its passengers. B. Equal to the weight of the car and its passengers. C. Less than the weight of the car and its passengers.
A possible evolutionary sequence is quasar to ________ to normal spiral galaxy
Fill in the blank(s) with correct word
In the hydrogen atom, if the principal quantum number n = 4, how many possible values can the orbital quantum number ? have?
A) 8 B) 9 C) 3 D) 5 E) 10 F) 4 Indicate whether the statement is true or false