Suppose a vector v makes an angle (theta) with respect to the y axis. what could be the x and y component of the vector v? express your answers in terms of the variables v and (theta) separated by a comma.

An ionic compound can conduct electricity when a it is dissolved in water b its crystals are ground into powder c it is in solid form d it is heated to just below its melting point

When is a current produced? when the terminals of an electrochemical cell are connected by a wire if the electric circuit is opened in an electrochemical cell if the electrolyte is removed from an electrochemical cell when the electrodes are reversed in an electrochemical cell

What is an electric motor? explain its operation. 2-3 sentence