Across
- 2. the frequency of dc current is ______
- 5. energy measurment unit
- 6. the energy produced from primary energy
- 7. heat combustion/ energy combustion
- 8. the basic unit of electrical current
Down
- 1. which fuel is a clean and efficient fuel
- 3. core component of modern economics enrgy
- 4. solar energy is which type of energy
