What can be transformed into electrical energy

Electrical energy can be converted to mechanical energy, light energy, heat energy, etc. Chemical energy can be converted to electrical energy. Thermal energy can be converted to heat energy. Mechanical energy can be converted to electrical energy, potential energy, etc.

Explanation:

i hope it's helpful

no, the red giant is the hottest with 2.00.000.000 degrees celsius. while the white dwarf only 25,000 degrees celsius.

the answer to this question is 3.