What is the maximum number of 60-W light bulbs you can connect in parallel in a 100-V home circuit without tripping the 30-A circuit breaker?
a. 18
b. 24
c. 49
d. 36
e. 56
c
Physics & Space Science
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Which of the following persons reorganized the spectral classification scheme into the one we use today and personally classified over 400,000 stars?
A) Annie Jump Cannon B) Williamina Fleming C) Cecilia Payne-Gaposchkin D) Henry Draper E) Edward Pickering
Physics & Space Science
Which domains of life are closely related to each other?
A) Eukarya and Archaea B) all three are closely related C) Bacteria and Eukarya D) Bacteria and Archaea
Physics & Space Science
Heat flows from
a. cold to hot. b. hot to cold. c. Kelvin to Celsius. d. the same as temperature.
Physics & Space Science
26Al decays by beta-plus decay. What is the daughter nucleus?
A. 27Al B. 25Al C. 26Mg D. 26Si E. 26Al
Physics & Space Science