Home
Class 12
PHYSICS
The tuned circuit the Oscillator in a si...

The tuned circuit the Oscillator in a simple AM transmitter employs a `50mu H` coil and a 1 nF capacitor. If the oscillator output is modulated by audio frequencies up to 10m kHz calculate the range occupied by the side bands. 

A

210 to 230

B

258 to 278

C

308 to 328

D

118 to 128

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • COMMUNICATION SYSTEMS

    AAKASH SERIES|Exercise EXERCISE-II (TV Antenna)|14 Videos
  • COMMUNICATION SYSTEM

    AAKASH SERIES|Exercise LECTURE SHEET (LEVEL - I) (MAIN) (EXERCISE - IV) (Straight Objective & More than one Correct Answer Type Questions)|20 Videos
  • CURRENT ELECTRICITY

    AAKASH SERIES|Exercise PROBLEMS (LEVEL-II)|27 Videos

Similar Questions

Explore conceptually related problems

The carrier frequency of a transmitter is provided by a tank circuit of a coil of inductance 49 muH and a capacitance of 2.5 nF It is modulated by an audio signal of 12 kHz The frequency range occupied by the side bands is :

A carrier wave of frequency 1.5 MHz and amplitude 50 V is modulated by a sinusoidal wave of frequency 10KHz producing 50% amplitude modulation. Calculate the amplitude of the AM wave and frequencies of the side bands produced.

It is desired to set up an undriven L-C circuit in which the capacitor is originally charged to potential difference of 100.0 V . The maximum current is to be 1.0 A and the oscillation frequency is to be 1000 Hz . What are the required values of L and C ?

A capacitor of capacitance 2 mu F is connected in the tank circuit of an oscillator oscillating with a frequency of 1 kHz. If the current flowing in the circuit is 2 mA , the voltage across the capacitor will be

An oscillatory circuit is made up of a 100mumuF capacitor and a 64muH coil with resistance of 1.0 ohm. Find the natural frequency, the period of oscillations and the Q-factor of the circuit.

An audio signal of 15000 Hz modulate a carrier generated by a tank circuit containing 1 nF capacitor and 10 microhenry inductor. Calculate the frequencies of first pair of side bands.

A capacitor with capacitance 6 xx 10^(-5) F is charged by connecting it to a 12 -V battery. The capacitor is disconnected from the battery and connected across an inductor with L = 1.50 H . a. What are the angular frequency omega of the electrical oscillations and the period of these oscillations (the time for one oscillation)? b. What is the intial charge on the capacitor? c. How much energy is intially stored in the capacitor? d. What is the charge on the capacitor 0.0230 s after the connecting to the inductor is made? Interpret the sign of the your answer. e. At the times given in part (d), what is the current in the inductor? Interpret the sign of your answer. f. At the time given in part (d), how much electrical energy is stored in the capactior and how much is stored in the inductor?

In the circuit shows in Fig the capacitor is initially uncharged and the two - way switch is connected in the position BC . Find the current through the resistence R as a function of time t . After time t = 4 ms, the switch is connected in the position AC . Find the frequency of oscillation of the capacitor of the circuit in the position, and the maximum charge on the capacitor C . At what time will the energy stored in the capacitor be one-half of the total energy stored in the circuit? It is given L = 2 xx 10^(-4)H, C = 5 mF, R = (In 2)/(10) Omega and emf of the battery = 1 V .

An A.C. generator generating an e.m.f. of epsi= 300 sin (100 pi t)V is connected to a series combination of 16mu F capacitor, 1H inductor and 100Omega resistor. Calculate Impedance of the circuit at the given frequency

In a standing wave experiment , a 1.2 - kg horizontal rope is fixed in place at its two ends ( x = 0 and x = 2.0 m) and made to oscillate up and down in the fundamental mode , at frequency of 5.0 Hz . At t = 0 , the point at x = 1.0 m has zero displacement and is moving upward in the positive direction of y - axis with a transverse velocity 3.14 m//s . Tension in the rope is

AAKASH SERIES-COMMUNICATION SYSTEMS -PRACTICE EXERCISE (TV Antenna)
  1. The height of a TV transmitting antenna is 20m. The telecast can cover...

    Text Solution

    |

  2. A transmitting antenna is at a height of 20m and receiving antenna is ...

    Text Solution

    |

  3. TV tower has a height of 80m. The height of the tower to be increased ...

    Text Solution

    |

  4. The maximum distance between the transmitting and receiving TV towers ...

    Text Solution

    |

  5. The area to be covered for TV telecast is doubled. Then the height of ...

    Text Solution

    |

  6. A TV tower has a height of 100m. How much population is covered by TV...

    Text Solution

    |

  7. A TV tower has a height of 70 m. If the average population density aro...

    Text Solution

    |

  8. A TV tower has a height of 100 m. The population density around the TV...

    Text Solution

    |

  9. To cover a population of 20 lakh, a transmission tower should have a h...

    Text Solution

    |

  10. The amplitude of the modulating wave is 2//5 th of the amplitude of th...

    Text Solution

    |

  11. The audio signal voltage is given by V(m) = 2 sin 12 pi xx 10^(3)t. Th...

    Text Solution

    |

  12. The tuned circuit the Oscillator in a simple AM transmitter employs a ...

    Text Solution

    |

  13. Match Column-I (layers in the ionosphere for skywave propagation) with...

    Text Solution

    |

  14. A radar has a power of 1 Kw and is operating at a frequency of 10 GHz....

    Text Solution

    |

  15. If the percentage of modulation is 50% then the useful power in the AM...

    Text Solution

    |

  16. The modulation index is 0.75. Then the useful power available in the s...

    Text Solution

    |