Explain conductivity, resistivity and resistance?

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please send the last 5 years {{{JUNIOR ENGINEER - ELECTICAL, ELECTRONICS RRB CHENNAI}}} TECHNICAL question papers TO MY EMAIL ID megalasri@gmail.com I AM BE APPEARING STUDENT CAN I FILL THE FORM OF SECTION ENGG i have to face written test of rrb for the post of J.E (signal), so please send me the old/model question papers for this post to my e-mail ? electronics).for tecnical test question which book is preferred. Railway recruitment board (Changighar examination 2006 & 2005&2004 question papers. Wtion to Your Friend] RRB examination.so which book I have to refer?

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What are the applications of fm transceiver.

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What is cmr?

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A half wave rectifier is used to supply 50vdc to resistive load of 800ohms the semiconductor diode has a forword resistance of 25ohms,calculate ac voltage required?

1 Answers   TCS,

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what its mean 'inverter based technology' ? if we talk about refrigerators, splits ACs etc how it helps to produce & keep more coolness and chilled atmosphere ?

0 Answers   TCS,

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What is meant by pwm control?

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What are applications of dsp?

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why do we need time domain & frequency domain.Differentiate between them.

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What is the maximum value of tv in msa to calculate r&r?

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what is the function of Horn antenna?

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what are the advantages of using a voltage follower amplifier?

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