This document provides information about a 60-day crash course on networks presented by Sanjay Rathi, who has over 18 years of teaching experience for exams like GATE, IES, and PSUs. It lists Sanjay Rathi's qualifications and that he has mentored over 100,000 students. The document also provides sample practice questions and answers on network theory topics, and information about Sanjay Rathi's regular courses for exams in 2021-22.

1. 60 Days Crash Course
For
NLC & IPATE
on
Network
With
SANJAY RATHI (IES)
Presents

2. 3.
Have mentored more
than 1 lakh students
for ESE/GATE/PSUs
SANJAY RATHI
1. Qualified IES 3 times
2.
Teacher, guide &
motivator with 18 years of
teaching experience in
GATE, IES & PSUs.

3. Q.) In the circuit, calculate: (a) iL
(0+
), vC
(0+
), vR
(0+
), (b) diL
(0+
)/dt,
dvC
(0+
)/dt, dvR
(0+
)/dt, (c) iL
(∞), vC
(∞), vR
(∞).
For Unacademy subscription, Use code SR10 to get 10% discount. 9899940096

4. Q.) The switch in figure has been closed for long time. It is open at t = 0.
Find (a) i(0+
), v(0+
), (b) di(0+
)/dt, dv(0+
)/dt, (c) i(∞), v(∞).
For Unacademy subscription, Use code SR10 to get 10% discount. 9899940096

5. Q.) The switch in Figure was open for a long time but closed at t = 0.
Determine: (a) i(0+
), v(0+
), (b) di(0+
)/dt, dv(0+
)/dt, (c) i(∞), v(∞).
For Unacademy subscription, Use code SR10 to get 10% discount. 9899940096

6. Q.) In the circuit, find: (a) iL
(0+
), vC
(0+
), vR
(0+
), (b) diL
(0+
)/dt, dvC
(0+
)/dt,
dvR
(0+
)/dt, (c) iL
(∞), vC
(∞), vR
(∞).
For Unacademy subscription, Use code SR10 to get 10% discount. 9899940096

8. Regular Course for
ESE/GATE/PSUs-2021-22
EC/EE/IN
Network
EDC
Analog Electronics Microprocessor Microwave
Digital Electronics
Control System
SR10

13. SR10

14. SR10

15. 60 Days Crash Course
For
NLC & IPATE
on
Network

16. Q.) If the switch S in the circuit shown below is opened at t = 0. What are
the values of v(0+
) and , respectively?
(a) 100 V, 10,000 V/s
(b) 100 V, -10,000 V/s
(c) -100 V, 10,000 V/s
(d) -100 V, -10,000 V/s
For Unacademy subscription, Use code SR10 to get 10% discount. 9899940096

17. Q.) In the circuit shown below, the switch is moved from position A to B at
time t = 0. The current I through the inductor satisfies the following
conditions.
1. i(0) = -8 A
2. di/dt (t = 0) = 3 A/s
3. i(∞) = 4 A
The value of R is
(a) 0.5 ohm (b) 2 ohm (c) 4 ohm (d) 13 ohm
For Unacademy subscription, Use code SR10 to get 10% discount. 9899940096

18. Q.) In the circuit shown below, the switch is closed at t = 0. What is the
initial value of the current through the capacitor ?
(a) 0.8 A
(b) 1.6 A
(c) 2.4 A
(d) 3.6 A
For Unacademy subscription, Use code SR10 to get 10% discount. 9899940096

19. Q.) In the circuit shown in figure, V = 10 V, R = 10 Ω, L = 1 H, C = 10 μF,
and vc
(0) = 0. Find i(0+
), di/dt(0+
), and d2
i/dt2
(0+
).
For Unacademy subscription, Use code SR10 to get 10% discount. 9899940096

20. Q.) In the network shown in figure, a steady state is reached with the
switch K open, and at t = 0 the switch is closed. Find the i1
(0+
), i2
(0+
) and
i3
(0+
).
For Unacademy subscription, Use code SR10 to get 10% discount. 9899940096

21. Q.) The circuit shown in the figure. Find diL
(0+
)/dt, and dvC
(0+
)/dt.
For Unacademy subscription, Use code SR10 to get 10% discount. 9899940096

22. Q.) In the circuit given below, the switch is open for a long time. At time t =
0, the switch is closed. What are the initial and final values of voltages
across the inductor ?
(a) 0 V and 0 V
(b) 0 V and 8 V
(c) 80 V and 0 V
(d) 80 V and 8 V
For Unacademy subscription, Use code SR10 to get 10% discount. 9899940096

23. Q.) Assume that there is no initial energy stored in the circuit of Figure at t
= 0 and that is
= 10 u(t) A.
Apply the initial and final value theorems to find Vo
(0) and Vo
(∞).
For Unacademy subscription, Use code SR10 to get 10% discount. 9899940096