1
GATE EE 2008
+2
-0.6
A bridge circuit is shown in the figure below. Which one of the sequence given below is most suitable for balancing the bridge?
A
First adjust $${R_4},$$ and then adjust $${R_1}$$
B
First adjust $${R_2},$$ and then adjust $${R_3}$$
C
First adjust $${R_2},$$ and then adjust $${R_4}$$
D
First adjust $${R_4},$$ and then adjust $${R_2}$$
2
GATE EE 2006
+2
-0.6
$${R_1}$$ and $${R_2}$$ are the opposite arms of $${R_3}$$ and $${R_4}$$ of a wheat stone bridge. The source voltage is applied across $${R_1}$$ and $${R_3}$$ under balanced conditions, which one of the following is true?
A
$${R_1} = {{{R_3}{R_4}} \over {{R_2}}}$$
B
$${R_1} = {{{R_2}{R_3}} \over {{R_4}}}$$
C
$${R_1} = {{{R_2}{R_4}} \over {{R_3}}}$$
D
$${R_1} = {R_2} + {R_3} + {R_4}$$
3
GATE EE 2003
+2
-0.6
The items in List $$-$$ $${\rm I}$$ represent the various types of measurements to be made with a reasonable accuracy using a suitable bridge. The items in List $$-$$ $${\rm II}$$ represent the various bridges available for this purpose. Select the correct choice of the item in List $$-$$ $${\rm II}$$ for the corresponding item in List $$-$$ $${\rm I}$$ from the following.

List $$-$$ $${\rm I}$$
$$A.$$ Resistance in the milli Ohm range
$$B.$$ Low values of Capacitance
$$C.$$ Comparison of resistances which are nearly equal
$$D.$$ Inductance of a coil with a large time $$-$$ constant

List $$-$$ $${\rm II}$$
$$1.$$ Wheatstone Bridge
$$2.$$ Kelvin Double Bridge
$$3.$$ Schering Bridge
$$4.$$ Wien's Bridge
$$5.$$ Hay's Bridge
$$6.$$ Carry $$-$$ Foster Bridge

A
$$\left( {A - 2} \right),\,\,\left( {B - 3} \right),\,\,\left( {C - 6} \right),\,\,\left( {D - 5} \right)$$
B
$$\left( {A - 2} \right),\,\,\left( {B - 6} \right),\,\,\left( {C - 4} \right),\,\,\left( {D - 5} \right)$$
C
$$\left( {A - 2} \right),\,\,\left( {B - 3} \right),\,\,\left( {C - 5} \right),\,\,\left( {D - 4} \right)$$
D
$$\left( {A - 1} \right),\,\,\left( {B - 3} \right),\,\,\left( {C - 2} \right),\,\,\left( {D - 6} \right)$$
EXAM MAP
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