1. Point X
2. Point Y
3. Point Z
4. Point W
Point Y
1. a voltage source with voltage (rV)//(R1//R2)
2. a voltage source with voltage ((r//R2)/(R1))V
3. a current source with current ((r//R2)/(R1 + R2)).V/r
4. a current source with current (R2/(R1 + R2)).V/r
a current source with current (R2/(R1 + R2)).V/r
1. stable
2. unstable
3. conditionally stable
4. stable for input u1, but unstable for input u2
stable for input u1, but unstable for input u2
1. F is not necessarily a "sine" or "cosine" function but must be periodic with ωl = ω2
2. F must be a "sine" or "cosine" function with a1 = a2
3. F must be a "sine" function with ω1 = ω2 and 1 = ?2
4. F must be a "sine" or "cosine" function with ω1 =ω2
F must be a "sine" or "cosine" function with ω1 =ω2
1.
2.
3.
4.
1. 2z cos z2
2. sin xy + 2z cos z2
3. x sin xy - cos z
4. none of these
2z cos z2
1. has rank zero
2. has rank l
3. is orthogonal
4. is orthogonal
is orthogonal
1. 0.78
2. 0.827
3. 0.866
4. 0.9
0.78
1. 119.05 A
2. 79.37 A
3. 68.73 A
4. 39.68 A
39.68 A
1. not possible
2. possible at unity power factor load
3. possible at leading power factor load
4. possible at lagging power factor load
possible at leading power factor load