A current of 5 A flows through a conductor and 10 W dissipated. What voltage exists across the ends of the conductor?2/25A current of 5 A flows through a conductor and 10 W dissipated. What voltage exists across the ends of the conductor?2 V P=V.I 10=2.550V0,5 V0,2 VGiải thíchChọn đáp án A