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PYQs on Basic Networks (Q.65)
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In this lesson I've discussed PYQs based on basic network for SSC JE 2019.

## Pawan Chandani is teaching live on Unacademy Plus

Pawan Chandani
Faculty of GATE/ESE (Electrical Engineering) , Also a YouTuber and teaches Electrical Eng. subjects on YouTube | Jony Ive Award Winner

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Hello sir, nice lesson it's my kind request may u teach the full lesson in English medium if possible.
Sir In Q no.66 Vx will be 2 volt.(option a)
Pawan Chandani
10 months ago
Yes , you are right
1. PYQs on Basic Networks - Pawan Chandani

2. 11:01 AM Saved Preparation Strategy for Electrical & Electronics Measurements O saved Wy-Pavn Chandan ib 128 likes 16 comments Share Edit Review HINDI Basics of Measurements (Hindi) Part 1: Electrical and Electronic Measurements your Pawan Chandani Follow 8.2k Followers 4.7 (260 ratings) Write a review Done Preparation Strategy for Electrical And 01 Electronics Measurements Playing Basics of Measurements (in Hindi) 11:23 02 Error Analysis Part 1 (in Hindi) 03

3. Q.65 Thevenin's equivalent voltage and resistance between the terminal A and B for network of given figure is: a) 2.5 V, 12.5 b) 2.5 V, 3.75 c) 12.5 V, 3.75 d) 12.5 V, 2.5 [SSC JE 2014] Lo U 3

4. Q.65 Thevenin's equivalent voltage and resistance between the terminal A and B for network of given figure is: a) 2.5 V, 12.5 b) 2.5 V, 3.75 c) 12.5 V, 3.75 d) 12.5 V, 2.5 SSC JE 2014] 15 5 oU 3 A-20 15 oun

5. ng-50 =0 A S.C. both the source th 15 5 (15115) 15 +5 A G -75 -32.5 = 375 a 2 O

6. Q.66 The voltage across the 1 k2 resistor of the network shown in the given figure is a) 2 V b) 4 V c) 6 V d) 1 V [SSC JE 2015] 2k2 Lo U

7. Q.66 The voltage across the 1 k2 resistor of the network shown in the given figure is: a) 2 V b) 4 V c) 6 V d) 1 V SSC JE 2015] 2k2 2kS2 t 2 2K 2K

8. =0 2K 2K 2 48 2 Ans

9. Q.67 In a pure inductive circuit if the supply frequency is reduced t 1/2, the current will a) Be four times as high b) Be doubled c) Be reduced by half d) Be reduced to one fourth [SSC JE 2015]

10. Q.67 In a pure inductive circuit if the supply frequency is reduced t 1/2, the current will a) Be four times as high b) Be doubled c) Be reduced by half d) Be reduced to one fourth [SSC JE 2015] Sol 2TTf L I2 2. 1, : 211 doublet tns- AS

11. Q.68 An active element in a circuit in one which: a) Receives energy b) Supplies energy c) Dissipates energy d) Both receives and supplies energy ISSC JE - 2015]

12. Q.68 An active element in a circuit in one which a) Receives energy b) Supplies energy c) Dissipates energy d) Both receives and supplies energy ISSC JE - 2015] 8801 ctive elementsiasin ignal e onus, mpli Op-amp nerg

13. Q.69 The superposition is used when the circuit contains: a) Passive elements only b) A single voltage source c) Active elements only d) A number of voltage sources ISSC JE - 2015] ptrpositoncve, inea, ilateral la tera Apply when move than one ources present in the ckt

14. Q.71 If the coefficient of coupling between two coils is increased, mutual inductance between the coils a) Is decreased b) Remains unchanged c) Is increased d) Changes depend on current only [SSC JE 2015]

15. Q.72 A linear circuit is one whose parameters a) Do not change with voltage and current b) Change with change in current c) Change with change in voltage d) None of the options [SSC JE 2015]

16. Q.72 A linear circuit is one whose parameters a) Do not change with voltage and current b) Change with change in current c) Change with change in voltage d) None of the options [SSC JE 2015] Aol-Jn linear circuit para meters Son't change 1n change 52

17. Q.73 For the circuit shown below, find the resistance between points P and Q a)2 b) 1 c) 3 d) 4 [SSC JE 2015] 12 212 12

18. Q.73 For the circuit shown below, find the resistance between points P and Q. a)2 b) 1 c) 3 d) 4 [SSC JE 2015] 12 2 12 2.2

19. Q.74 If 750 is flowing through 11 k f resistance, what is the voltage drop across the resistors? a) 146 V b) 8.25 V c) 14.6 V d) 82.5 V [SSC JE 2015] + U 3 825 100

20. Q.75 A primary cell has an emf of 1.5 V. When short circuited, it gives a current of 3 A. The internal resistance of cell is a) 4.5 b) 0.2 c) 0.5 d) 20 [SSC JE 2015] Rol 1,5U

21. Q.76 Thevenin's theorem can not be applied to a) Passive circuit b) Active circuit c) Nonlinear circuit d) Linear circuit SSC JE 2015] Thevenin's theorem aan't apply on non-unear k unilatera

22. Q.77 One sine wave has a period of 2ms, another has a period of 10 ms. Which sine wave is changing at a faster rate? a) All are at the same rate b) Sine wave with period 2 ms c) Sine wave with period 5 ms d) Sine wave with period of 10 ms [SSC JE 2015]

23. Q.77 One sine wave has a period of 2ms, another has a period of 10 ms. Which sine wave is changing at a faster rate? a) All are at the same rate b) Sine wave with period 2 ms c) Sine wave with period 5 ms d) Sine wave with period of 10 ms [SSC JE 2015] T= ele/sec (b) -_-_-500 H -500 cy T 2m 1oo cycle Sec Lo m

24. Q.79 The unit for permeability is: a) Wb b) At/m c) Wb/At x m d) At/Wb [SSC JE 2015]

25. 0.80 A bar of Iron 1cm2 in cross section has 10-4 wb of magnetic flux in it. If H,- 2000, what is the magnetic field intensity in the bar? a) 398 x 10-4 At/m b) 398 At/m c) 398 x 104 At/m d) 796 x 103 At/m [SSC JE 2015]

26. Q.82 Find the node voltage VA a) 5.66 V b) 6 V c) 6.66 V d) 5 V [SSC JE 2015] 1 12 U 123 R 2 8

27. Q.82 Find the node voltage VA a) 5.66 V b) 6 V c) 6.66 V d) 5 V [SSC JE 2015] abbly ing KCL at node n A 12 1 39-18-0 /8/

28. Q. 83 When the current through the coil of an electromagnet reverses, the a) Magnetic field expands b) Magnetic field collapses c) Direction of the magnetic field reverses d) Direction of the magnetic field remains unchanged [SSC JE 2015]

29. Q. 85 When a source is delivering maximum power to the load, the efficiency will be a) Below 50 % b) Maximum c) 50 % d) Above 50 % ISSC JE 2015] MPT

30. Q. 87 During the resistance welding, the heat produced at the point is proportional to a) PR b) Current c) Volt-Ampere d) Voltage [SSC JE 2015]

31. Q. 88 What is power consumed by the resistor of 20 connected across 100 V source ? a) 300 W b) 500 W c) 100 W d) 50 W [SSC JE 2015]

32. Q. 89. The current 'I' in the circuit shown below is a) 1A b) 1.7 A c) 2.7 A d) 3.7 A [SSC JE - 2015] 1A 2A 80 1.3A MA 3 A 2A n8