page 17 22. One coulomb per volt is equivalent to one A hertz B farad C ohm D joule E ampere. 23. A student makes the following statements about metals, insulators, and semiconductors. I In some metals, the valence and conduction bands overlap and each band is partially filled. II The band gap between the valence band and the conduction band in an insulator is large compared to the band gap in a semiconductor. III An increase in temperature decreases the conductivity of a semiconductor. Which of these statements is/are correct? A I only B II only C I and II only D I and III only E II and III only [Turn over