1. 110Ω
2. 220Ω
3. 377Ω
4. 280Ω
280Ω
1. 0dB
2. 2 dB
3. 4 dB
4. 6 dB
6 dB
1. Beam width
2. Input capacitance
3. Effective height
4. All of these
Effective height
1. Increases
2. Decreases
3. Becomes infinite
4. Remain same
Increases
1. 0
2. 5
3. 0.2
4. Zero
0.2
1. 1+t
2. 1-t
3. 1+2t
4. 1-2t
1+2t
1. Both gain and phase margins of the two systems will be identical
2. Both gain and phase margins of G(s) H(s) will be more
3. Gain margins of the two systems are the same but phase margin of G(s) H(s) will be more
4. Phase margins of the two systems are the same but gain margin of G(s) H(s) will be less
Gain margins of the two systems are the same but phase margin of G(s) H(s) will be more
1. For a given relative stability, the velocity constant is increased
2. For a given relative stability, the velocity constant is decreased
3. The bandwidth of the system increased
4. The time response is made faster.
For a given relative stability, the velocity constant is increased
1. Smaller
2. Greater
3. The same
4. About 12 dB more
Greater
1. High directivity
2. High gain
3. Low input impedance
4. Wide frequency range
Low input impedance