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6 Oct 2020
One insulated conductor from a household extension cord has a mass per length of 19.0 g/m. A section of this conductor is held under tension between two clamps. A subsection is located in a magnetic field of magnitude 13.5 mT directed perpendicular to the length of the cord. When the cord carries an AC current of 9.0 A at a frequency of 60.0 Hz, it vibrates in resonance in its simplest standing wave vibration mode.
(a) Determine the relationship that must be satisfied between the separation d of the clamps and the tension T in the cord.
(b) Determine one possible combination of values for these variables.
One insulated conductor from a household extension cord has a mass per length of 19.0 g/m. A section of this conductor is held under tension between two clamps. A subsection is located in a magnetic field of magnitude 13.5 mT directed perpendicular to the length of the cord. When the cord carries an AC current of 9.0 A at a frequency of 60.0 Hz, it vibrates in resonance in its simplest standing wave vibration mode.
(a) Determine the relationship that must be satisfied between the separation d of the clamps and the tension T in the cord.
(b) Determine one possible combination of values for these variables.
Anil Kumar G.Lv10
9 Dec 2020
