quarter wave impedance transformer
... that a quarter wave impedance transformer can make an electrical open circuit look like a short circuit?
... that a <b id="mwDHA"><a class="mw-redirect" href="./Quarter_wave_impedance_transformer" id="mwDHE" rel="mw:WikiLink" title="Quarter wave impedance transformer">quarter wave impedance transformer</a></b> can make an <a class="mw-redirect" href="./Electrical" id="mwDHI" rel="mw:WikiLink" title="Electrical">electrical</a> open circuit look like a <a href="./Short_circuit" id="mwDHM" rel="mw:WikiLink" title="Short circuit">short circuit</a>?