Constants | Periodic Table When a current passes through the body, it is mainly carried by positively charged sodium ions (Na) with charge +e and negatively charged chloride ions (CI) with charge-e. In a given electric field, these two kinds of ions do not move at the same speed; the chloride ions move 50% faster than the sodium ions. Part A If a current of 150 μA is passed through the leg of a patient, how many chloride ions pass a cross section of the leg per second? Express your answer as a number of chloride ions. Na = Submit LIVE ΑΣΦ Provide Feedback Previous Answers Request Answer X Incorrect; Try Again; 4 attempts remaining ? ions Next >

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Microscopic view of current

In physics, the term current is expressed as the rate of flow of electric charges across the area per unit time (I=q/t). It propagates along in the direction of the motion of positive charges. When the current is caused by the motion of electrons, the direction of the current is opposite to the flow.