The current flowing through a 4kilo ohm's resistance is 2 meter ampire determine the p.d
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12th
Physics
Current Electricity
Wheatstone Bridge and Problems Based on It
Calculate the current flowi...
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Asked on December 26, 2019 by
Jaitashree Noorain
Calculate the current flowing through the resistance 2Ω
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ANSWER
The given circuit is forming a balanced wheat-stone bridge.
The equivalent resistance of the circuit will be given by:
10 Ω &2 Ω are in series and 25 Ω & 5 Ω are in series.
Equivalent for 10 Ω &2 Ω
R
e1
=12 Ω
Equivalent for 25 Ω & 5 Ω
R
e2
=30 Ω
Total Equivalent R
e
R
e
1
=
12
1
+
30
1
R
e
=
7
60
Also:
i
1
R
e1
=i
2
R
e2
i
2
i
1
=
2
5
Thus, the current will be divided in the circuit in ratio of5:2
Thus, the current in R
e1
will be
i
1
=
7
1.4×5
=1 A
Thus the current in 2 ohm resistance nwill be 1 A.
Explanation:
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