1
GATE EE 2022
MCQ (Single Correct Answer)
+1
-0.33

A balanced Wheatsone bridge ABCD has the following arm resistances :

RAB = 1 k$$\Omega$$ $$\pm$$ 2.1%; RBC = 100 $$\Omega$$ $$\pm$$ 0.5%; RCD is an unknown resistance; RDA = 300 $$\Omega$$ $$\pm$$ 0.4%. The value of RCD and its accuracy is

A
30 $$\Omega$$ $$\pm$$ 3 $$\Omega$$
B
30 $$\Omega$$ $$\pm$$ 0.9 $$\Omega$$
C
3000 $$\Omega$$ $$\pm$$ 90 $$\Omega$$
D
3000 $$\Omega$$ $$\pm$$ 3 $$\Omega$$
2
GATE EE 2015 Set 1
MCQ (Single Correct Answer)
+1
-0.3
When the Wheatstone bridge shown in the figure is used to find the value of resistor $${R_x},$$ the galvanometer $$G$$ indicates zero current when $${R_1} = 50\,\Omega ,\,\,{R_2} = 65\,\Omega$$ and $$\,{R_3} = 100\,\Omega ,\,\,$$ If $${R_3}$$ is known with $$\, \pm 5\% \,$$ tolerance on its nominal value of $$100\,\Omega .$$ What is the range of $${R_x}$$ in Ohms?
A
$$\left[ {123.50,\,\,136.50} \right]$$
B
$$\left[ {125.89,\,\,134.12} \right]$$
C
$$\left[ {117.00,\,\,143.00} \right]$$
D
$$\left[ {120.25,\,\,139.75} \right]$$
3
GATE EE 2012
MCQ (Single Correct Answer)
+1
-0.3
The bridge method commonly used for finding mutual inductance is
A
Heaviside Campbell bridge
B
Schering bridge
C
De Sauty bridge
D
Wien Bridge
4
GATE EE 2011
MCQ (Single Correct Answer)
+1
-0.3
The bridge circuit shown in the fig below is used for the measurement of an unknown element Zx. The bridge circuit is best suited when Zx is a
A
Low resistance
B
High resistance
C
Low Q Inductor
D
Lossy Capacitor.
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