Why common-collector circuit is known as an emitter follower?

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sir,i had a written test conducted by jindal steel and power ltd .so please forward me the type of questions asked in written test (technical)

0 Answers   Jindal,

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Sir, I hav applied for the post of sec. engg in RRB in telecom-sigal domain. Can u suggest hows the question pattern. Do I hav 2 follow technical books or general aptitude books ?

2 Answers   BSNL,

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List out the direct type adcs.

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Define what do you mean by donor and acceptor impurities?

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how an induction motor works?

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what is the differnce between permitivity and permeability.

2 Answers  

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what will happend when you will switch on your mobile?need technical answer?wich are the channels associated with this?

9 Answers   Wipro,

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Test on three subjects Physics, Chemistry & Biology are to be conducted simultaneously the number of candidates for the tests are 68, 36 and 72 respectively. Candidates are to be seated in different rooms such that each room will have candidates of the same subject and the load on each invigilator be the same i.e. the number of candidates in each room should be the same what is the minimum number of rooms you need for the purpose

2 Answers   Subex,

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ORACLE/SQL-RDBMS 1.Max (), Min () Functions, 2. Order by, Group by Functions, 3. Sql Pipe Functions 4. Truncate Functions Which Part of Sql? DDL, DML, or TCL 5. Find Out Primary keys in databases 6. Select Customers who have same city Based on constraints based on index based on view based on group by

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Tell me why Up link Frequency is more than Down link frequency.?

1 Answers   Mobilink,

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how to design an ups and battery connections for ups .

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