2003
Common circuit for Questions 1 & 2:
Assume that the switch S is in position 1 for a long time and thrown to position 2 at t=0.
1. At t = 0+, the current i1 is
a) – V/2R
b) – V/R
c) – V/4R
d) Zero
2. I1(s) and I2(s) are the Laplace Transforms of i1(t) and i2(t) respectively. The equations for the loop currents I1(s) and I2(s) for the same circuit shown, after the switch is brought from position 1 to position 2 at t = 0, are
Solution (1 & 2): https://www.youtube.com/watch?v=IiAPEkdgqQQ
2008
3. In the following cirucit, the switch S is closed at t = 0. The rate of change of current di(0+)/dt is given by
Solution : https://www.youtube.com/watch?v=WiYzbTZyhi0
2009
4. The switch in the circuit shown was on position 'a' for a long time, and is moved to position 'b' at time t=0. The current i(t) for t > 0 is given by
Solution : https://www.youtube.com/watch?v=ptI9Yzy17OQ
2010
5. In the cirucit shown, the switch S is open for a long time and is closed at t = 0. The current i(t) for t ≥ 0+ is
Solution : https://www.youtube.com/watch?v=1oztLmwhBL0
2011
6. In the circuit shown below, the initial charge on the capacitor is 2.5 mC, with the voltage polarity as indicated. The switch is closed at time t = 0. The current i(t) at a time t after the switch is closed is
Solution : https://www.youtube.com/watch?v=hQdNpuDt3zU
2014
7. In the figure shown, the ideal switch has been open for a long time.
If it is closed at t = 0, then the magnitude of the current (in mA) through the 4 kΩ resistor at t = 0+ is ____________
Solution : https://www.youtube.com/watch?v=lr0Teo6g4nA
2015
8. In the circuit shown, the switch SW is thrown from position A to position B at time t=0. The energy (in µJ) taken from the 3 volts source to charge the 0.1 µF capacitor from 0 volts to 3 volts is
a) 0.3
b) 0.45
c) 0.9
d) 3
Solution : https://www.youtube.com/watch?v=ZbFt7Lkclp8
9. In the circuit shown, switch SW is closed at t =0. Assuming zero initial conditions, the value of Vc(t) (in volts) at t = 1 sec is __________________
Solution : https://www.youtube.com/watch?v=_hcH81bC-cg
Common circuit for Questions 1 & 2:
Assume that the switch S is in position 1 for a long time and thrown to position 2 at t=0.
1. At t = 0+, the current i1 is
a) – V/2R
b) – V/R
c) – V/4R
d) Zero
2. I1(s) and I2(s) are the Laplace Transforms of i1(t) and i2(t) respectively. The equations for the loop currents I1(s) and I2(s) for the same circuit shown, after the switch is brought from position 1 to position 2 at t = 0, are
2008
3. In the following cirucit, the switch S is closed at t = 0. The rate of change of current di(0+)/dt is given by
2009
4. The switch in the circuit shown was on position 'a' for a long time, and is moved to position 'b' at time t=0. The current i(t) for t > 0 is given by
2010
5. In the cirucit shown, the switch S is open for a long time and is closed at t = 0. The current i(t) for t ≥ 0+ is
2011
6. In the circuit shown below, the initial charge on the capacitor is 2.5 mC, with the voltage polarity as indicated. The switch is closed at time t = 0. The current i(t) at a time t after the switch is closed is
2014
7. In the figure shown, the ideal switch has been open for a long time.
If it is closed at t = 0, then the magnitude of the current (in mA) through the 4 kΩ resistor at t = 0+ is ____________
2015
8. In the circuit shown, the switch SW is thrown from position A to position B at time t=0. The energy (in µJ) taken from the 3 volts source to charge the 0.1 µF capacitor from 0 volts to 3 volts is
a) 0.3
b) 0.45
c) 0.9
d) 3
9. In the circuit shown, switch SW is closed at t =0. Assuming zero initial conditions, the value of Vc(t) (in volts) at t = 1 sec is __________________
Its very helpful to me..
ReplyDeleteBro, very thanks for giving this topicwise previous questions of gate. It is very helpful for praticing. once again thanks bro.
ReplyDeleteIt is very useful.it saves time to verify solution in below link,otherwise we have to search another websites .thankyou
ReplyDelete