Find out the length of the wire

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Reference no: EM1345834

Q. A piece of string 5.30 m long has a mass of 15.5 g. What must the tension in the string be to make the wavelength of a 128 Hz wave 120.0 cm?

Q. A generator uses a coil that has 80 turns and a 0.60-T magnetic field. The frequency of this generator is 60.0 Hz, and its emf has an rms value of 120 V. Assuming that each turn of the coil is a square (an approximation), determine the length of the wire from which the coil is made.

Reference no: EM1345834

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