Current Electricity 4 Question 4
4. In a meter bridge, the wire of length
Two equal resistance are connected as shown in the figure. The galvanometer has zero deflection when the jockey is at point
(2019 Main, 12 Jan I)
(a)
(b)
(c)
(d)
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Solution:
- As, galvanometer shows zero deflection.
This means, the meter bridge is balanced.
Now, for meter bridge wire
where, ’
Integrating both sides, we get
Substituting values of
