Six resistances are to be connected to a battery. After connecting a particular set of five resistances with values R1 R2 R3 R4 and R5 as shown in the figure, the sixth one R6 was to be connected between A and B. It was observed that the current in the circuit is independent of the value of R6. Then what should have been the relations between these resistances? |
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(a) |
R1 R2 R3 = R4 R5 R6 |
(b) |
|
(c) |
R1 R4 = R2 R3 |
(d) |
R1 R3 = R2 R4 = R5 R6 |
Six resistances are to be connected to a battery. After connecting a particular set of five resistances with values R1 R2 R3 R4 and R5 as shown in the figure, the sixth one R6 was to be connected between A and B. It was observed that the current in the circuit is independent of the value of R6. Then what should have been the relations between these resistances? |
|||
(a) |
R1 R2 R3 = R4 R5 R6 |
(b) |
|
(c) |
R1 R4 = R2 R3 |
(d) |
R1 R3 = R2 R4 = R5 R6 |
Resistance of a platinum wire is 2
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