2. A transformer which increase the output voltage is known as:
A. Step-down
B. Step-up
C. Power tower
D. Transmission line

3. Which of the following is responsible for transporting high-voltage distances?
A. Step-down
B. Step-up
C. Power tower
D. Transmission line

4. The energy generated by the movements of electrons (negative charge) and positrons (positive charge) within conductive materials is known as
A. Electricity
B. Transformer
C. Power plant
D. Transmission line

5. Which of the following is practical example of conduction ?
A. someone holds you to warm you
B. melting of chocolate in your hand
C. leaving a metal spoon propped up in a pot
D. all are practical examples of conduction

6. Which statement describe conduction?
A. transfer of energy through the movement of particles that are in contact with each other. B. transfer of heat through electromagnetic radiation
C. transfer of energy by burning of fossil fuel
D. Carrying of electrical energy trough power lines

7. Metals are good conductors of heat, but non-metals and gases are usually poor conductors. Which material is a good conductor of heat and electricity?
A. Copper
B. Rubber
C. Plastics
D.PVC pipes electricity over long​