The magnetic moment of an electron (charge = ?e; mass = me) moving in a circular orbit of radius r with speed v about a nucleus of mass mN is proportional to
a. r.
b. v.
c. vr.
d. evr.
e. mNvr.
d
Physics & Space Science
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Reactance: A pure capacitor is connected to an ac power supply. In this circuit, the current
A. leads the voltage by 90°. B. lags the voltage by 90°. C. lags the voltage by 180°. D. is in phase with the voltage. E. None of the given answers are correct.
Physics & Space Science
The Doppler technique for planet detection has found Earth-like planets around nearby Sun-like stars
Indicate whether the statement is true or false
Physics & Space Science
The radioactive decay of cobalt 56 into iron 56 affects the light curve of a type I supernova about ________ after the initial peak in luminosity
Fill in the blank(s) with correct word
Physics & Space Science
Normal atmospheric pressure is
a. 14.7 psi. b. 1 N/m2. c. zero. d. 760 mm of mercury. e. 101,000 pascals. f. none of the above.
Physics & Space Science