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.
Electric current is a flow of electric charge (usually in the form of electrons) through a substance. The substance or conductor that an electric current flows through is often metal wire, although current can also flow through some gases, liquids, and other materials.Circuits can be wired in two ways.In a series circuit, current flows to each bulb in turn. Both bulbs are dimly lit.he substance or conductor that an electric current flows through is often metal wire, although current can also flow through some gases, liquids, and other materials. Circuits can be wired in two ways. In a series circuit, current flows to each bulb in turn. Both bulbs are dimly lit.