electric current

電流

電線などの物質の中を電気が流れること。

やさしい英語で： The movement of electricity through a wire or other material.

• An electric current flows through the wire.
• The battery produces an electric current when the switch is closed.
• Can this cable carry an electric current safely?

使い方： electric current through something (An electric current flows through the cable.)

類義語： current

よく使う表現： electric current flows, carry electric current, an electric current

電流、電流の強さ

ある点を１秒間に通る電気の量。アンペアで表す。

やさしい英語で： The amount of electrical charge passing a point each second, measured in amperes.

• We measure electric current in amperes.
• The meter showed an electric current of two amps.
• Calculate the electric current from the charge passing each second.

類義語： current

よく使う表現： measure electric current, electric current measurement, electric current value