In a given circuit, the cell P has an emf 1.5V and an unk...
In a given circuit, the cell P has an emf 1.5V and an unknown internal resistance while cell Q has an emf 2.0V and an internal resistance of 1 ohm if the ammeter reads 50m A, Then r is equal to
A.
0.5 ohm
B.
0.62 ohm
C.
1.0 ohm
D.
2.0 ohm
E.
3.0 ohm
Correct answer is D
No explanation has been provided for this answer.
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