A battery consists of a variable number of identical cells having internal resistances connected in series. The terminals of battery are short circuited and the current
is measured. Which of the graph below slows the relationship between
and 0
a)b)
c)
d)
A battery consists of a variable number of identical cells having internal resistances connected in series. The terminals of battery are short circuited and the current
is measured. Which of the graph below slows the relationship between
and 0
a)b)
c)
d)
Assume that each atom of copper contributes one electron. If the current flowing through a copper wire of 1 mm diameter is 1.1 A, the drift velocity of electrons will be (density of Cu=9 g |
|||||||
a) |
|
b) |
0.5 |
c) |
0.1 |
d) |
0.2 |
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