Two balls are placed near one another and hang down, as shown below. which conclusion

the answer is neither ball has a charge.

because if they were both positively charged, they will repel each other.

if they were positively and negatively charged, they will seek.

think its the third option

Option (B) is correct.

Explanation:

In a coal fired power plant, first the coal if burnt.

The energy transformations are give below.

Chemical energy of coal is converted into heat energy. (Burning of coal)

Heat energy is used to heat the water and to form steam.

By taking the energy from steam, the turbines rotate. In this step, the heat energy is converted into mechanical energy.

Finally, the mechanical energy is used to rotate the coil of generator and converts into electrical energy.