The SI unit of magnetic field is the tesla, which is equivalent to a
A. N/C.
B. A/m.
C. N/(A·m).
D. magnon.
E. None of these choices are correct.
C. N/(A·m).
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A 2.00 kg pendulum bob on a string 1.50 m long, is released with a velocity of 4.00 m/s when the support string makes an angle of 30.0 degrees with the vertical. What is the angle with the vertical the bob makes at the highest point of its motion?
A. 85.3 degrees B. 71.2 degrees C. 60.3 degrees D. 56.7 degrees E. 45.0 degrees
A closed loop conductor that forms a circle with a radius of is located in a uniform but changing magnetic field
If the maximum emf induced in the loop is what is the maximum rate at which the magnetic field strength is changing if the magnetic field is oriented perpendicular to the plane in which the loop lies? A) 0.40 T/s B) 2.5 T/s C) 0.080 T/s D) 5.0 T/s
A sound source (normal frequency of 1000 Hz) approaches a stationary observer at one-half the speed of sound. The observer hears a frequency of
A) 2000 Hz. B) 500 Hz. C) 250 Hz. D) 1500 Hz. E) 1414 Hz.
A slit of width 0.01 mm has light of wavelength 600 nm passing through it onto a screen 60 cm away. How wide (in cm) is the central maximum?
A) 0.12 cm B) 7.2 cm C) 1.8 cm D) 3.6 cm E) 0.9 cm