1
GATE EE 2003
MCQ (Single Correct Answer)
+2
-0.6
The $$h$$ $$-$$ parameters for a two $$-$$ port network are defined by
$$\left[ {\matrix{ {{E_1}} \cr {{{\rm I}_2}} \cr } } \right] = \left[ {\matrix{ {{h_{11}}} & {{h_{12}}} \cr {{h_{21}}} & {{h_{22}}} \cr } } \right]\left[ {\matrix{ {{{\rm I}_1}} \cr {{E_2}} \cr } } \right].$$
For the two $$-$$ port network shown in Fig. the value of $${h_{12}}$$ is given by GATE EE 2003 Electric Circuits - Two Port Networks Question 4 English
A
$$0.125$$
B
$$0.167$$
C
$$0.625$$
D
$$0.25$$
2
GATE EE 2003
MCQ (Single Correct Answer)
+1
-0.3
The effect of stray magnetic fields on the actuating torque of a portable instrument is maximum when the operating field of the instrument and the stray fields are
A
perpendicular
B
parallel
C
inclined at $${60^0}$$
D
inclined at $${30^0}$$
3
GATE EE 2003
MCQ (Single Correct Answer)
+1
-0.3
A Manganin swamping resistance is connected in series with a moving coil ammeter consisting of a milli-ammeter and a suitable shunt in order to
A
minimize the effect of temperature variation
B
obtain large deflecting torque
C
reduce the size of the meter
D
minimize the effect of stray magnetic fields
4
GATE EE 2003
MCQ (Single Correct Answer)
+2
-0.6
The inductance of a certain moving-iron ammeter is expressed as $$L = 10 + 3\theta - {{{\theta ^2}} \over 4}\mu H,\,\,$$ where $$\,\,\theta \,\,\,$$ is the deflection in radians from the zero position. The control spring torque in $$\,\,25\,\, \times \,\,{10^{ - 6}}\,\,\,$$ Nm/radian. The deflection of the pointer in radian when the meter carries a current of $$5A,$$ is
A
$$2.4$$
B
$$2.0$$
C
$$1.2$$
D
$$1.0$$
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