1.

In the diagram shown, the reading of voltmeter is 20 V and that of ammeter is 4 A. The value of R should be (Consider given ammeter and voltmeter are not ideal)    [RPMT 1997]

A.                    Equal to \[5\,\Omega \]
B.                    Greater from \[5\,\Omega \]
C.                    Less than \[5\,\Omega \]
D.                    Greater or less than \[5\,\Omega \] depends on the material of R
Answer» D.                    Greater or less than \[5\,\Omega \] depends on the material of R


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