HEY CAN ANYONE PLS ANSWER DIS IN UR OWN WORDS

Which statement correctly describes a step-up transformer? a. it increases the amount of electric energy available. b. it increases the voltage of an electric current. c. it changes direct current into alternating current. d. it has more loops of wire in its primary coil.

One form of energy can be another type of energy. a. created to form b. transformed into c. destroyed and then created to form

Apiece of metal 75g at 110°c is dropped in a container with 500g at 20°c. the h2o if temperature is 24°c find specific heat capacity of metal