56401. An amplifier of passband 450 kHz to 460 kHz will be named as
56402. Which is not true about”Catter-all’s head-at-risk”signs in Perthe’s disease?
56403. For a 42 year old Male driver with Right hemiplegic stroke,inability to put on a dress i
56404. For broadcasting purpose, full AM signal is preferred to SSB signal because
56405. If ω is the frequency of modulating voltage in FM, the modulation index is proportional to
56406. Which camera tube has gamma of almost unity?
56407. The baud rate is
56408. ”Ischaial Weight Bearing”socket is commonly related to
56409. When satellite radio beam is aimed towards earth, it illuminates on the earth for an oval shaped area called
56410. Which of the following is invariably found in SSB?
56411. In the spectrum of a frequency modulated wave
56412. Which of the following pulse communication system is inherently immune to noise?
56413. In a PCM system, if we increase the quantization levels from 2 to 8, how do the relative bandwidth requirements vary?
56414. If the target area is small compared to wavelength of radar the situation is called
56415. If a signal band limited for fm is sampled at a rate less than 2 fm the reconstructed signal will be
56416. A better SNR can be obtained in a PCM by
56417. In stroke rehabilitation,one of the following rehabilitation measure does not use the principle of ‘Neuro Plasticity’.
56418. The type of noise that interfere very much with high frequency transmission is
56419. In communication systems, the modulating signal is also called
56420. Hue of a colour means
56421. Consider the following statements: The radar pulse must be flat topped to allow accurate range measurementallow good minimum rangeprevent frequency changes in magnetronmake the returned echoes easier to distinguish from noise. Which of the above are correct?
56422. Filter method and phasing method are the methods for generating
56423. In amplitude modulation
56424. Which one the following is an advantage of AM over FM?
56425. Some multiplexing arrangements for telephone system are Space multiplexingTime division multiplexingFrequency division multiplexing Which of the above allow transmission of many independent signals over a single channel?
56426. Industrial noise has the frequency range of
56427. Thermal noise Power is
56428. The characteristic impedance of coaxial cable is about
56429. The diameter and thickness of CD are
56430. Consider the following statements about advantages of phase discriminator over slope detector Fewer tuned circuitsGreater limitingBetter linearityEasy alignment Which of the above are true?
56431. In a superheterodyne radio receiver
56432. The assigned carrier frequency of an FM broadcast station is 96.3 MHz. Its FM signal has a centre frequency of
56433. Digital television is also called
56434. The number of spectral component of a cosine wave is
56435. At FM demodulator output noise power density
56436. According to CCIR standards, the Vestigial Sideband (VSB)
56437. Line of sight transmission is used in
56438. A typical value of insertion loss of SAW filter is
56439. In phase modulation, the phase deviation is
56440. In the human eye, an image persists for a time of about
56441. The different channels in a TDM receiver are separated by
56442. In a pulsed RADAR typical value of pulse duration and pulse frequency respectively are
56443. In a hi-fi system the nonlinear distortion should be less than
56444. A pure tone at 1000 Hz has a dB level of 50 dB. If two such tones exist simultaneously the dB level is about
56445. The HV and other voltage supplies for a TV receiver are obtained from IHVT. The full name for this device is
56446. The main systems used for generation of SSB are
56447. An antenna operates effectively when its dimensions are
56448. The mobile unit of a mobile telephone is generally in
56449. Assertion (A): Water waves are longitudinal but EM waves are transverseReason (R): In an EM wave electric field, magnetic field and propagation are mutually perpendicular.
56450. In a wave the electric field lines are vertical. Then the wave is