Question text
29 The diagram shows the symbol for a wire carrying a current I. I What does this current represent? A the charge flowing past a point in the wire per unit time B the number of electrons flowing past a point in the wire per unit time C the number of positive nuclei flowing past a point in the wire per unit time D the number of protons flowing past a point in the wire per unit time
29 The diagram shows the symbol for a wire carrying a current I.
I
What does this current represent?
A the charge flowing past a point in the wire per unit time
B the number of electrons flowing past a point in the wire per unit time
C the number of positive nuclei flowing past a point in the wire per unit time
D the number of protons flowing past a point in the wire per unit time
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