127. The percentage of modulation for 45 kHz deviation in the FM broadcast band will be
A.30%
B. 40 W
C.60%
D.90%

---

128. A FM wave is represented by e = 12 sin (6 x 108t + 5.5 sin 1250 t) The carrier frequency is
A. 66 MHz
B. 95.5 Wiz
C. 125 MHz
D. 166 MHz

---

129. The modulating frequency above is
A. 199 Hz
B. 1990 MHz
C. 199 KHz
D. 199 MHz

---

130. A FM signal has modulating frequency fm and maximum frequency deviation of 8. The bandwidth will be nearly
A.8
B.28
C.2fm8
D. fm8

---

131. Which of the following is likely to be the bandwidth ofa FM receiver?
A. 5 kHz
B. 20 kHz
C. 200 kHZ
D. 20 MHz

---

132. In case of wide band FM signal the modulation index may be expected to be
A.0.5
B.1
C. less than 1
D. more than 1

---

133. The frequency of a FM wave is given by f = fc (1 + KEm cos wt) In this the maximum deviation is given bY
A. K
B.K.Em
C.K.Em.fc
D.K.Em.fc.wm.

---