Last Updated On [03-11-2023]
In the circuit, the galvanometer G shows zero deflection. If the batteries A and B have negligible internal resistance, the value of the resistor R will be
.png)
|
a) |
200 |
b) |
100 |
c) |
500 |
d) |
1000 |
Question ID - 150485 :- In the circuit, the galvanometer G shows zero deflection. If the batteries A and B have negligible internal resistance, the value of the resistor R will be
a)
200
b)
100
c)
500
d)
1000
In the circuit, the galvanometer G shows zero deflection. If the batteries A and B have negligible internal resistance, the value of the resistor R will be
|
a) |
200 |
b) |
100 |
c) |
500 |
d) |
1000 |
(b)
The galvanometer shows zero deflection 
, current through XY is zero.
.png)
As a result potential drop across R is 2V, circuit can be redrawn as
.png)
Voltage across R, 
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The resistivity of alloys |
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b) |
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c) |
There is no simple relation between |
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the resistivity of constituent metals 
Then, usually
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