6.3 Questions
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question 3 in this document, shouldnt the answer be A? As
i would say check hsc answers. I didn’t do any of the questions I just copied and pasted across the answers
Its because the positive current enters at the negative terminal or electrode, hence the electrode measuring ‘negative’ current so to speak, would measure positive current instead.In this question, I get the correct graph, except it is the negative of what the answers say (answers say initially voltage is, negative but I keep getting positive). I have a feeling it has something to deal with conventional vs actual current. Does anyone know why? The reason I say induced voltage is positive is because induced current runs from the positive terminal to the negative terminal. Maybe that assumption is wrong?
So the way a voltemeter's terminals works is such that they are arrnaged oppositely to a cell/battery? I ask this because for a cell, 'negative current' ia from negative to positive, and 'postive' current is from positive to negative, but you suggest that for a voltemeter current going from the positive temrinal to the negative is actually negative current.Its because the positive current enters at the negative terminal or electrode, hence the electrode measuring ‘negative’ current so to speak, would measure positive current instead.
They are not operating as a cell, they simply measure any positive or negative voltage at either end.So the way a voltemeter's terminals works is such that they are arrnaged oppositely to a cell/battery? I ask this because for a cell, 'negative current' ia from negative to positive, and 'postive' current is from positive to negative, but you suggest that for a voltemeter current going from the positive temrinal to the negative is actually negative current.