Three identical resistors are connected in series to a 12-V battery. What is the voltage across any one of the resistors?

A) 12 V
B) 3 V
C) 36 V
D) 0 V
E) 4 V


E

Physics & Space Science

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Suppose that you live in Sydney, Australia (latitude 34°S). Describe the path of the Sun through your sky for each of the following days: a. the day of the spring equinox b. the day of the summer solstice c. the day of the winter solstice

What will be an ideal response?

Physics & Space Science

In a capacitor in an AC circuit, the voltage:

a. lags the current by 90°. b. may lead or lag the current depending on the frequency. c. leads the current by 90°. d. is in phase with 70.7% of the current.

Physics & Space Science

If you are in the Earth's umbra on the Earth's surface, then

A) the Moon is always visible. B) it must be a lunar eclipse of some type. C) it must be a total solar eclipse. D) it is night time. E) the Sun is always visible.

Physics & Space Science

The direction in which the potential changes at the greatest rate is in the direction

A) of the gradient of the potential. B) perpendicular to the electric field. C) perpendicular to the gradient of the potential. D) of the partial derivative with respect to x. E) cannot be determined

Physics & Space Science