BRAINWAVE
GATE – 2012
Network Theory
Max.Marks:25 (Q.1-Q.5 1 Mark, Q.6-Q.15 2 Marks) Max.Time:45 Min.s
1.Find Rab
a) 22.5 b) 24 c) 31.5 d) 17.35
2.Total resistance Rin is in the circuit shown
a) (1+√3) b) (1-√5)/2 c) (-1+√5)/2 d) (1-√3)/2
3.What is the Rab in the circuit when all resistors values are R
a a) 2R b) R c) R/2 d) 3R
4.The voltage V in fig always equal to
a) 9V b) 5V c)1V d) None
5.Find VX in the circuit shown
a) 2.5 V b) -2.5V c) 0V d) 10V
6.What is the value of i1?
a) 0 b) – 6 c) 6 d) none
7.Find Vxy
a) 10V b) 46V c) 13V d) 58V
8.In the circuit of fig. The value of the voltage source E is
a) –16V b) 4V c) –6V d) 16V
9.The voltage across 15 ohms resistor is
a) -105V b) +105V c) –15V d) + 15v
10.The energy stored in the capacitor is
a) 8μj b) 30μj c) 45μj d) 900μj
11.The equivalent capacitance across ‘ab’ will be [C = 0.1μ f]
a) 0.2μf b) 0.1μf c) 0.5μf d)0
12.In the circuit shown in fig, for R=20 ohms the current I is 2A. When R is 10 ohms the current I would be
a) 1A b) 2A c) 2.5A d) 3A
13.Find i2 in the fig shown?
a) 4 b)2/3 c)-2/3 d)none
14. What is the current supplied by 1V source when each resistance is 1 ohm?
a) 8/15 b)15/4 c)4/15 d) none
15.The voltage V0 is
a) 2V b) 1V c) –1 d) -2/3
No comments:
Post a Comment