Which action will not induce a potential difference in a coil of wire?

Moving a coil of wire at a constant speed in a uniform magnetic field will not induce a potential difference, as there is no change in magnetic flux through the coil. According to Faraday's law of electromagnetic induction, a change in magnetic flux, whether due to movement, rotation, or varying magnetic field strength, is required to generate an electromotive force (EMF). Therefore, maintaining a steady motion without fluctuations in the magnetic environment will not produce a potential difference.