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Details of General - Other Sathyabhama, Chennai. - 22 April by ISRO conducted by ISRO for job interview.

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ISRO PAPER ON 22nd APRIL AT CHENNAI

1.if diameter of antenna increase by 3,then gain of the antenna will be,

a.increase by 3

b.decrease by 3

c.no change in gain

2.more number of problem from zener diode...

3.vector sum from plus two book..

4.simple problem from parallel and series connection of resistor...

5.plus two matrix problem 1 a b+c

1 b a+c

1 c b+a

ans: zero

solve (D2+16)y=cos4x

ans:y= 4x+Bsin 4x+x/8 sin 4x

7.in half adder circuit... what are the gates used?

8.conversion problem fron digital systems octal to binary

66.3(octal) to binary

9.formula for cos ax=? in terms of expo

ans: iax -iax

(e + e )/2

10.what is the o/p of 4:1 MUX?

11.enegry stored in variable capacitor and constant voltage...

ans : 2

0.5CV

12.WHICH OF THE FOLLOWING OSILLATOR HAVE HIGH ACCURACY? refer all the osillator

13.they given a circuit,which convert binary to...?

a. BCD

b.excess 3

c.gray

d.none of these

14.output impedance of ideal op-amp is...? ans: zero.

15.which one of the following is correct formula? choice are simple formula like V=IR,F=eE, etc...)

16. three problems from RLC ckt

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