The time for one complete cycle of a periodic process to take place is called
a. amplitude.
b. frequency.
c. period.
d. wavelength.
e. speed.
c
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A) new B) first quarter C) full D) third quarter
Two strings both vibrate at exactly 819 Hz. The tension in one of them is then increased slightly. As a result, six beats per second are heard when both strings vibrate. What is the new frequency of the string that was tightened?
A) 825 Hz B) 813 Hz C) 822 Hz D) 816 Hz
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a. True b. False Indicate whether the statement is true or false
A toroidal solenoid has a central radius of 0.50 m and a cross-sectional diameter of 10 cm. When a current passes through the coil of the solenoid, the magnetic field inside the solenoid at its CENTER has a magnitude of 2.0 ?T
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