1 As well as not punching someone in the chin, do not punch them in the temple, this, if punched hard enough can kill someone instantly. 2  Aiming for the head and skull area could break your knuckles. 3  As with any martial arts technique, showing discipline with regard to one's knowledge is a truer measure of one's skill. If you throw a jab and it doesn't connect, you know you need to move closer in order to throw a punch that hits the target. 2  Keep your combatant away from you. 3  Throwing a jab, or a series of jabs, is a way of keeping your combatant from getting too close to you.
Electric current can be either direct current (DC) or alternating current (AC). With DC, the direction of flow is constant. With AC, the direction of flow changes rapidl â¦ y from one direction to the other. + 19 others found this useful.
Electron current is the flow of electrons and, since electrons have the property of negative electric charge, an electron current is necessarily a flow of charge, i.e., an electric current (in the opposite direction of the electric current).lectric charge must be carried be something. The direction of flow of positive charge is taken to be the direction of electric current. Thus, a flow of negative charge contributes to an electric current in the opposite direction.