electric(al)
1.electric现在比electrical流行，如electric current, electric light, electric battery, electric spark, electric shock, electric bell, electric chair（电刑用的电椅）等里的electric不可改作electrical。用在譬喻里electric现在比electrical普通。例如：His speech produced an electric effect on the audience. electrical现在只用作“电学的”解，如electrical book（电学书），electrical engineering和electrical engineer。
2.相当于electric和electrical的副词都是electrically。
