The secondary coil of an ideal neon sign transformer provides 7500 v at 10.0 ma. the primary coil operates on 120 v. what current does the primary draw?

A1-lb collar is attached to a spring and slides without friction along a circular rod in a vertical plane. the spring has an undeformed length of 5 in. and a constant k =25 lb/ft. knowing that the collar is released from being held at a determine, the speed of the collar and the normal force between the collar and the rod as the collar passes through b.