1
GATE EE 2004
MCQ (Single Correct Answer)
+2
-0.6
A hydraulic turbine having rated speed of $$250$$ $$rpm$$ is connected to a synchronous generator. In order to produce power at $$50$$ $$Hz,$$ the number of poles required in the generator are
A
$$6$$
B
$$12$$
C
$$16$$
D
$$24$$
2
GATE EE 2004
MCQ (Single Correct Answer)
+1
-0.3
A parallel plate capacitor is shown in Fig. It is made of two square metal plates of $$400$$ $$mm$$ side. The $$14$$ $$mm$$ space between the plates is filled with two layers of dielectrics of $${\varepsilon _r} = 4,6\,\,mm$$ thick and $${\varepsilon _r} = 2,8\,\,mm$$ thick. Neglecting fringing of fields at the edges, the capacitance is GATE EE 2004 Electromagnetic Fields - Electrostatics Question 17 English
A
$$1298\,pF$$
B
$$944\,pF$$
C
$$354\,pF$$
D
$$257\,pF$$
3
GATE EE 2004
MCQ (Single Correct Answer)
+1
-0.3
The inductance of a long solenoid of length $$1000$$ $$mm$$ wound uniformly with $$3000$$ turns on a cylindrical paper tube of $$60$$ $$mm$$ diameter is
A
$$3.2\,\,\mu H$$
B
$$3.2\,\,mH$$
C
$$32.0\,\,mH$$
D
$$3.2\,\,H$$
4
GATE EE 2004
MCQ (Single Correct Answer)
+1
-0.3
The area enclosed between the parabola $$y = {x^2}$$ and the straight line $$y=x$$ is _______.
A
$${1 \over 8}$$
B
$${1 \over 6}$$
C
$${1 \over 3}$$
D
$${1 \over 2}$$
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