Current Electricity 2 Question 2
2. In the given circuit, an ideal voltmeter connected across the resistance reads . The internal resistance , of each cell is
(2019 Main, 10 April I)
(a)
(b)
(c)
(d)
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Solution:
- For the given circuit
Given,
Also, voltage drop across
= voltage of the cell -voltage drop across
Using
Alternative Solution
Equivalent resistance between
Now, current passing through the circuit is given as,
where,
Also, reading of the voltmeter,