1
GATE EE 2001
MCQ (Single Correct Answer)
+2
-0.6
Resistances $${R_1}$$ and $${R_2}$$ have, respectively, nominal values of $$10\Omega$$ and $$5\Omega ,$$ and tolerances of $$\pm 5\%$$ and $$\pm 10\%$$. The range of values for the parallel combination of $${R_1}$$ and $${R_2}$$ is
A
$$3.077\,\Omega \,\,\,$$ to $$\,\,3.636\,\Omega$$
B
$$2.805\,\Omega \,\,\,$$ to $$\,\,3.371\,\Omega$$
C
$$3.237\,\Omega \,\,\,$$ to $$\,\,3.678\,\Omega$$
D
$$3.192\,\Omega \,\,\,$$ to $$\,\,3.435\,\Omega$$
2
GATE EE 1999
MCQ (Single Correct Answer)
+2
-0.6
Two $$100$$ $$\mu A$$ full scale $$PMMC$$ meters are employed to construct a $$10$$ $$V$$ and a $$100$$ $$V$$ full scale voltmeter. These meters will have figures of merit (sensitivities) as
A
$$10\,k\Omega /V$$ and $$10\,k\Omega /V$$
B
$$100\,k\Omega /V$$ and $$10\,k\Omega /V$$
C
$$10\,k\Omega /V$$ and $$100\,k\Omega /V$$
D
$$10\,k\Omega /V$$ and $$1\,k\Omega /V$$
3
GATE EE 1997
Fill in the Blanks
+2
-0
In the circuit shown in fig. For measuring resistance $$'R'$$ if the ammeter indicates $$1$$ $$A$$ and the voltmeter indicate $$100V$$, then the value of $$R$$ is ___________ Ohms and the error in measurement using the ratio $$V/$$$${\rm I}$$ is ________%
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