A circular loop of radius 0.10 m is rotating in a uniform external magnetic field of 0.20 T. Find the magnetic flux through the loop due to the external field when the plane of the loop and the magnetic field vector are (a) parallel
(b) perpendicular. (c) at an angle of 30° with each other.
(a) zero (b) 6.3 × 10-3 T • m2 (c) 3.1 × 10-3 T • m2
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In a double-slit experiment, it is observed that the distance between adjacent maxima on a remote screen is 1 cm. What happens to the distance between adjacent maxima when the slit separation is cut in half?
A) It increases to 2 cm. B) It increases to 4 cm. C) It decreases to 0.5 cm. D) It decreases to 0.25 cm.
The SAE J-1930 standardized name for the sensor that measures the temperature of the air being drawn into the engine is called a(an) ________.
A. Air temperature sensor (ATS) B. Air charge temperature (ACT) sensor C. Manifold air temperature (MAT) sensor D. Intake air temperature sensor (IAT)
The most luminous stars in elliptical galaxies are:
A) B stars. B) O stars. C) blue supergiants. D) red giants.
Warm humid air is characteristic of a
A) maritime polar air mass. B) continental polar air mass. C) maritime tropical air mass. D) continental tropical air mass.