A.6mA B.8mA C.10mA D.4mA
A.電阻應(yīng)變效應(yīng) B.光電效應(yīng) C.熱電效應(yīng) D.壓電效應(yīng)
A.Pmin<P<Pmax B.P≤Pmax C.Pmin≥P≥Pmax D.P≥Pmin