Abstract
We systematically investigate the microlensing effect of a charged spherically symmetric wormhole, where the light source is remote from the throat. Remarkably, there will be at most three images by considering the charge part. We study all the situations including three images, two images, and one image, respectively. The numerical result shows that the range of total magnification is from ${10}^{5}$ to ${10}^{\ensuremath{-}2}$ depending on various metrics. In the case of three images, there will be two maximal values of magnification (a peak and a gentle peak) when the contribution via mass is much less than that of charge. However, we cannot distinguish the case that forms three images or only one image as the total magnification is of order ${10}^{5}$. Finally, our theoretical investigation could shed new light on exploring the wormhole with the microlensing effect.
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