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Railway Exam

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A

Aparna 30 Sep in  Railway Exam classes

What is Fourier transform?

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R

Ravi Shankar 30 Sep in  Railway Exam classes

A waveform is given by v(t) = 10sin 2 ? 100t. What will be the magnitude of the second harmonic in its Fourier series representation?

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Y

Yatheesh 30 Sep in  Railway Exam classes

What is the directivity of a ?/2 long wire antenna?

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D

Dev 30 Sep in  Railway Exam classes

Define transverse wave?

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V

Vikash 30 Sep in  Railway Exam classes

Define DC motor?

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M

Mohammad 30 Sep in  Railway Exam classes

Analog inputs are converted to digital outputs using Op-Amp as comparators. What number of comparators required to convert 5-bit digital output?

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K

Karthik 30 Sep in  Railway Exam classes

Define Piezoelectric crystal?

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N

Nimesh 30 Sep in  Railway Exam classes

Define diode?

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R

Rawinder 30 Sep in  Railway Exam classes

What is non electrolytic capacitor?

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E

Elnaz 30 Sep in  Railway Exam classes

How many types of electric capacitors are there?

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P

Pradeep 30 Sep in  Railway Exam classes

A flux of 1.2 m Wb exerts in a magnet having a cross section of 30 cm sq.What is the flux density?

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M

Maheshwari 30 Sep in  Railway Exam classes

Define transconductance?

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R

Raja 30 Sep in  Railway Exam classes

What is threshold effect in demodulators?

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S

Shankar 30 Sep in  Railway Exam classes

Define power efficiency of an instrument?

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J

Jainam 30 Sep in  Railway Exam classes

Define SNR?

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P

Pradeep 30 Sep in  Railway Exam classes

Klystron principle is based upon which principle?

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S

Seemi 30 Sep in  Railway Exam classes

Define electromagnetic waves?

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M

Ms 30 Sep in  Railway Exam classes

What is the use of Baratters?

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P

Pravin 30 Sep in  Railway Exam classes

What is the lowest frequency of the ionosphere layer?

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S

Sammeyka 30 Sep in  Railway Exam classes

Define J-K flip flop?

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P

Pooja 30 Sep in  Railway Exam classes

Define synchronous counter?

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K

Krishna 30 Sep in  Railway Exam classes

What is ADC?

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J

Jainam 30 Sep in  Railway Exam classes

What is open loop system?

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M

Madhuri 30 Sep in  Railway Exam classes

What is the difference between closed loop system and open loop system?

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V

Vijayaadithya 30 Sep in  Railway Exam classes

Why feedback is considered in a closed loop system?

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