20. please help

Question Answered step-by-step 20. please help 20. please help Image transcription textAn electrical current in a resistor heats the resistor. In a similar manner, the ion flow between the oppositelycharged plates heats the sea water. A ship using an MHD propulsion system can be detected by thiselectromagnetic signature left in the seawater Every minute, 4.61 x 1040 singly charged ions pass … Show more… Show more Science Physics PHY 205 Share QuestionEmailCopy link Comments (0)