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Home » Technical » Aptitude Test - 6
Hassan
1.A lightning bolt carrying 15,000 A lasts for 100 s. If the lightning strikes an airplane flying at 2 km, the charge deposited on the plane is?
A. 13.33 C
B. 75 C
C. 1500 C
D. 13.33 C
2.If 120 C of charge passes through an electric conductor in 60 sec, the current in the conductor is ?
A. 0.5 A
B. 2 A
C. 3.33 mA
D. 0.5 A
3.The energy required to move 120 coulomb through 3 V is?
A. 25 mJ
B. 360 J
C. 40 J
D. 25 mJ
4.Consider the circuit graph shown in figure below. Each branch of circuit graph represent a circuit element. The value of voltage V1 is?
A. 30 V
B. 25 V
C. 20 V
D. 30 V
5.What will be the value of Req in the following Circuit?
A. 11.86 ohm
B. 10 ohm
C. 25 ohm
D. 11.86 ohm
6.In the circuit the dependent source?
A. Supplies 16 W
B. Absorbs 16 W
C. Supplies 32 W
D. Supplies 16 W
7.Twelve 6 ohm resistors are used to form an edge of a cube. The resistance between two diagonally opposite corner of the cube (in ohm) is?
A. 5/6
B. 6/5
C. 5
D. 5/6
8.The energy required to charge a 10 µF capacitor to 100 V is?
A. 0.1 J
B. 0.05 J
C. 5 x 10(-9) J
D. 0.1 J
9.A capacitor is charged by a constant current of 2 mA and results in a voltage increase of 12 V in a 10 sec interval. The value of capacitance is?
A. 0.75 mF
B. 1.33 mF
C. 0.6 mF
D. 0.75 mF
10.What will be the value of V1 in the following circuit?
A. 0.4 Vs
B. 1.5 Vs
C. 0.67 Vs
D. 0.4 Vs
11.What will be the value of Va in the following circuit?
A. -11 V
B. 11 V
C. 3 V
D. -11 V
12.What will be the value of V1 in the following circuit?
A. 120 V
B. -120 V
C. 90 V
D. 120 V
13.What will be the value of Va in the following circuit?
A. 4.33 V
B. 4.09 V
C. 8.67 V
D. 4.33 V
14.What will be the value of V2 in the following circuit?
A. 0.5 V
B. 1.0 V
C. 1.5 V
D. 0.5 V
15.What will be the value of I1 in the following circuit?
A. 0.6 A
B. 0.5 A
C. 0.4 A
D. 0.6 A
16.What will be the value of i1 in the following circuit?
A. 0.6 A
B. 2.1 A
C. 1.3 A
D. 0.6 A
17.What will be the value of i1 in the following circuit?
A. 1 mA
B. 1.5 mA
C. 2 mA
D. 1 mA
18.What will be the value of i1 in the following circuit?
A. 4 A
B. 3 A
C. 5 A
D. 4 A
19.What will be the value of i1 in the following circuit?
A. 20 mA
B. 15 mA
C. 10 mA
D. 20 mA
20.The value of capacitor is?
A. 6 µF
B. 20 nF
C. 2 nF
D. 6 µF
21.The value of inductor is?
A. 4.3 mH
B. 43 mH
C. 0.16 mH
D. 4.3 mH
22.The quality factor is?
A. 22
B. 100
C. 48
D. 22
23.The value of R (in ohm) is?
A. 40
B. 56.57
C. 80
D. 40
24.The value of C is?
A. 2 µF
B. 28.1 µF
C. 10 µF
D. 2 µF
25.A parallel RLC circuit has R 1 k and C 1 F. The quality factor at resonance is 200. The value of inductor is?
A. 35.4 H
B. 25 H
C. 17.7 H
D. 35.4 H
26.A parallel circuit has R = 1k ohm , C = 50 µF and L = 10mH. The quality factor at resonance is?
A. 100
B. 90.86
C. 70.7
D. 100
27.A series resonant circuit has L = 1 mH and C = 10 F. The required R (in ohm) for the BW = 15 9 . Hz is?
A. 0.1
B. 0.2
C. 0.0159
D. 0.1
28.For the RLC parallel resonant circuit when R = 8k, L = 40 mH and C = 0.25 F, the quality factor? Q is ?
A. 40
B. 20
C. 30
D. 40
29.A series resonant circuit has an inductor L = 10 mH. The resonant frequency w = 10^6 rad/s and bandwidth is BW = 103 rad/s. The value of R and C will be
A. 100 F, 10 ohm
B. 100 pF, 10 ohm
C. 100 pF, 10 Mega-ohm
D. 100 F, 10 ohm
30.The maximum voltage across capacitor would be?
A. 3200 V
B. 3 V
C. 3 V
D. 3200 V
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