1
GATE ECE 2004
+1
-0.3
The circuit shown in figure, with $$R = 1/3\Omega$$, $$L = 1/4H$$, $$C = 3F$$ has input voltage $$v\left( t \right) = \sin \,2t$$. The resulting current $$i(t)$$ is
A
$$5\,\sin \left( {2t + {{53.1}^0}} \right)$$
B
$$5\,\sin \left( {2t - {{53.1}^0}} \right)$$
C
$$25\,\sin \left( {2t + {{53.1}^0}} \right)$$
D
$$25\,\sin \left( {2t - {{53.1}^0}} \right)$$
2
GATE ECE 2003
+1
-0.3
A series RLC circuit has a resonance frequency of 1 kHz and a quality factor Q = 100. If each R, L and C is doubled from its original value, the new Q of the circuit is
A
25
B
50
C
100
D
200
3
GATE ECE 2000
+1
-0.3
The circuit of Fig. represents a
A
Low pass filter
B
High pass filter
C
Band pass filter
D
Band reject filter
4
GATE ECE 1998
+1
-0.3
The parallel $$RLC$$ circuit shown in figure is in resonance. In this circuit
A
$$\left| {{{\rm I}_R}} \right| < 1m{\rm A}$$
B
$$\left| {{{\rm I}_R} + {{\rm I}_L}} \right| > 1m{\rm A}$$
C
$$\left| {{{\rm I}_R} + {{\rm I}_C}} \right| < 1m{\rm A}$$
D
$$\left| {{{\rm I}_L} + {{\rm I}_C}} \right| > 1m{\rm A}$$
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