1. 0.573
2. 0.198
3. 2.205
4. 0.266
0.198
1. 115.2 kbps
2. 28.8 kbps
3. 57.6 kbps
4. 38.4 kbps
57.6 kbps
1. 10 mA
2. 100 mA
3. 10 A
4. 1.59 mA
10 mA
1. To increase the sensitivity of measurement
2. To transmit the signal to a far-off place
3. To study amplitude modulation
4. Because crystal detector fails at microwave frequencies
Because crystal detector fails at microwave frequencies
1. 120 π
2. 60 π ?
3. 600 π ?
4. 24 π ?
24 π ?
1. 57.73
2. 33.33
3. 0.11
4. 11.11
11.11
1. null vector
2.
3.
4.
null vector
1. 3
2. 4
3. 6
4. 7
4
1. 1 resistance
2. 1 ? resistance in parallel with 1 H inductance
3. 1 ? resistance in series with 1 F capacitor
4. 1 ? resistance in parallel with 1 F capacitor
1 ? resistance in series with 1 F capacitor
1. 25
2. 50
3. 100
4. 200
50