Members of each skill group held the. ball behind the head at some time in the preparatory phase of the. shot. One member of the high skill group used extreme hip and. knee flexion in the preliminary portion of the shot.
Transformer oil is either synthetic or minerals. Oil inside the transformer is act as a transfer media for heat transfer from HT and LT coils and circulate inside the transformer. Oil also provide insulation and protection to windings.
A transformer is generally used with low voltage lighting systems to transform the higher standard line voltage to either 12 or 24 volts. Without a transformer the light bulbs in the circuit would be subjected to 120V or 277V and would burn out immediately.