The ________ occurs when a rapidly rotating conductor is stirred by convection to produce a magnetic field
a. dynamo effect
b. Zeeman effect
c. Babcock effect
d. proton-proton chain
e. aurora
a
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Consider the following statement, and explain whether or not it is sensible: My sign is Ursa Major because the Sun was in Ursa Major when I was born
What will be an ideal response?
If the voltage amplitude across an 8.50-nF capacitor is equal to 12.0 V when the current amplitude through it is 3.33 mA, the frequency is closest to
A) 32.6 MHz. B) 5.20 MHz. C) 32.6 kHz. D) 5.20 kHz. E) 32.6 Hz.
The ultraviolet catastrophe predicts that:
a. all objects should radiate extreme amounts of ultraviolet light. b. as an object gets hotter its light will change from dull red to blue white. c. a black body can absorb an infinite amount of radiation if the radiation is in the ultraviolet region. d. the radiated energy approaches zero as the wavelength approaches zero.
A series LC circuit contains a 100 mH inductor, a 36.0 mF capacitor and a 12 V battery. The period of the electromagnetic oscillations in the circuit is
a. 0.0227 s. b. 0.377 s. c. 2.26 s. d. 105 s. e. 1750 s.