Education: TANCET2003(Q11toQ20)

TANCET (Questions from Question Paper for Year 2003)

11.The current waveform in a pure resister of 10 ohm is shown in Fig Q.11. The power dissipated in the resister is

Fig Q.11

A) 7.29W
B) 270 W
C) 135 W
D) 52.4 W

12. The circuit shown in Fig. Q. 12 will resonate at all frequencies, if

Fig Q.12

A) R=√(»C/L)
B) R=√(L/C)
C) C=L/R
D) L=1/RC

13. In the coupled circuit shown in Fig 13 the maximum value of the voltage induced, V2 is

Fig Q.13

A) 8.8 V
B) 9.2 V
C) 10.7 V
D) 12.5 V

14.The impedances z1,z2 and z3 are delta connected to a 3 phase symmetrical 400 V, 50 Hz supply with phase sequence ABC as shown in Fig Q14. When z1=(10+j0)ohm, z2=(8+j6)ohm and z3=(5-j5)ohm the line current I_B is

Fig Q.14

A) 95.75 |__-8.79⁰ A
B) 35.2 |__120.46⁰ A
C) 78.37 |__-168.4⁰ A
D) 52.78 |__72.6⁰ A

15. For the block diagram shown in Fig Q.15 the overall transfer function C(s)/R(s) is given by,

Fig Q.15

A)      -1
1+G
B)      -1
1-G
C)      2G-1
1-G
D)     2G+1
1+G

16. The loop transfer function G(s)/H(s) corresponding to the polar plot shown in Fig Q. 16 is

Fig Q.16

A)              K
            s(1+T₁s)(1+T₂s)
B)       K
            s(1+T₁s)(1+T₂s) (1+T₃s)

C)       K
            (1+T₁s)(1+T₂s) (1+T₃s)
D)          K
            (1+T₁s)(1+T₂s)

17.The driving point impedance of the network shown in Fig Q.17 is

Fig Q.17

A) (3/4)s+(3/2s)
B) (4/3)s+(3/2s)
C) (4/3)s+(2/3s)
D) (4/3)s+(2/3s)

18. The state equation in matrix form for the network shown in Fig Q.18 is