A circuit consists of a 11.4-mH coil, a 19-? resistor, a 5.0-? resistor, a 10-V battery and a switch, all in series. What is the time constant of this circuit?
a. 2.1E–3 s
b. 4.8E–3 s
c. 2.9E–3 s
d. 4.8E–4 s
e. 4.2E–1 s
d
Physics & Space Science
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Of all elements, ________ has the most stable and tightly bound nucleus
Fill in the blank(s) with correct word
Physics & Space Science
An object moving at 30 m/s has an acceleration of -2.0 m/s/hr. Its speed
A. decreases very quickly. B. decreases very slowly. C. increases very slowly. D. increases very quickly.
Physics & Space Science
Which of the following is not true for both the photon and the neutrino
a. Both are uncharged. b. Both have spin ?. c. Both can carry different amounts of momentum. d. Choose this answer if all of the above are true.
Physics & Space Science
(a) What is the frequency of an EM wave that has a wavelength of 1 millimeter? (b) What type of EM wave is this?
Physics & Space Science