A fully charged parallel-plate capacitor remains connected to a battery while a dielectric is slid between the plates. Does C increase, decrease, or stay the same?
1.increase
2.decrease
3.remains the same
1
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Which of the following is not expected for a "hot Jupiter" that orbits 0.05 AU from its star?
A) cloudtop temperatures over 1000 K B) intense volcanism C) clouds made of rock dust D) density similar to or lower than Jupiter's
Two nuclei which share the same mass number A always are (Hint: Eliminate any wrong answers.)
a. stable. b. unstable. c. isotopes. d. isobars. e. radioactive.
The creation of ____ require(s) that a young hot star (T 25,000 K) be relatively nearby
a. Emission nebulae b. HI regions c. Molecular clouds d. The cool gas of the interstellar medium e. 21 cm radiation
These are found on the side of the Moon that faces Earth, but not on the far side
A) Highlands B) Maria C) Craters D) Mountains E) Valleys