On the autumnal equinox the sun is

a. north of the celestial equator.
b. south of the celestial equator.
c. on the celestial equator and moving north with respect to the equator.
d. on the celestial equator and moving south with respect to the equator.
e. closest to the north celestial pole.


D

Physics & Space Science

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What is the approximate range in latitude over which sunspots appear?

What will be an ideal response?

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A spherical conductor (radius = 1.0 cm) with a charge of 2.0 pC is within a concentric hollow spherical conductor (inner radius = 3.0 cm, outer radius = 4.0 cm) which has a total charge of ?3.0 pC. What is the magnitude of the electric field 2.0 cm from the center of these conductors?

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