the choices are *alternating current *closed circuit *direct current *electric circuit *open circuit *parallel circuit *series-parallel circuit *series circuit *short circuit *simple circuit
_____1.it is a type of electrical current. in which the direction of the flow of electrons switches back and forth at regular intervals or cycles.
_____2.it is electrical current which flows consistently in one direction.
_____3.it is complete route that an electric current can flow arround.​