1.  (a) 2√kJ, √kJ respectively

2.  

4.  

1.  4 volt source in series with 10Ω resistor

3.  15 volt source in series with 2.4Ω resistor

4.  1 volt source in series with 10Ω resistor

1.   damping decreases and settling time decreases

2.  damping increases and settling time increases

3.   damping decreases and settling time increases

1.  9 H

2.  21 H

4.  6 H

2.  

3.  

4.  

2.   gain of the system should be decreased

3.   the number of zero to the loop transfer functions should be increased

4.   the number of poles to the loop transfer function should be increased

1.  -3 e-2t + 4 e-t + 1

2.  -3 e-2t + 4 e-t + 1

3.  -3 e-2t – 4 e-t – 1

2.  bandwidth

3.  slew rate

4.  open-loop gain

1.  ε2F

2.  ε F

3.  F

1.  higher current carrying

3.  lower ripple factor

4.  higher efficiency