Respuesta :
The answer is the current passing between the electrodes is 10.56 mA., the direction of current is towards the negative electrode.
What is Electric Charge ?
Electric charge is the physical property of matter that causes it to experience a force when placed in an electromagnetic field.
Electric charge can be positive or negative (commonly carried by protons and electrons respectively).
Like charges repel each other and unlike charges attract each other
Given that,
Number of sodium ions at the negative electrode, Na⁺ = 2.68 *10¹⁶
Number of chloride ions at the positive electrode,Cl⁻ = 3.92 *10¹⁶
(a) The current flowing in the circuit is due to the positive as well as negative charges such that total charge becomes:
Q= n e
Q = (Na⁺ +Cl⁻) e
Q= (2.68 *10¹⁶ +3.92 *10¹⁶) (1.6*10-19)
Q = 0.01056 C
The current is given by :
I=Q/t = 0.01056 /1 = 10.56mA
So, the current passing between the electrodes is 10.56 mA.
b) Since, positive ions are moving towards the negative electrode.
And, current is the flow of ions or electrons therefore, the direction of current is towards the negative electrode.
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The current is given by :
So, the current passing between the electrodes is 10.56 mA.
(b) The direction of electric current is towards negative electrodes.
