The same mass of copper is drawn into two wires and thick. Two wires are connected in series and current is passed through them. Heat produced in the wire is in the ratio |
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a) |
2 :1 |
b) |
1 :16 |
c) |
4 :1 |
d) |
16 :1 |
The same mass of copper is drawn into two wires and thick. Two wires are connected in series and current is passed through them. Heat produced in the wire is in the ratio |
|||||||
a) |
2 :1 |
b) |
1 :16 |
c) |
4 :1 |
d) |
16 :1 |