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VIGNANS UNIVERSITY :: VADLAMUDI

EE105 Electrical Science

UNIT I

MID-IOne ar! "#e$ti%n$:

1. State Ohms Law

2. Define Current and mention its units.

3. Define Voltage

4. What are Network lements!

". Define S#e$ifi$ resistan$e and mention its units

%. Define le$tri$ #ower and mention its units

&. Define 'agneti$ field strength and mention its units

(. )he $om*ined resistan$e of two e+ual resistors $onne$ted in #arallel is e+ual to

&A' One half the resistan$e of one resistor.

&(' )wi$e the resistan$e of one resistor.

&)' ,our times the resistan$e of one resistor.

&D' One fourth the resistan$e of one resistor.

-. Whi$h of the following will remain the same in a series $ir$uit!

&A' Voltage &(' Current &)' ower &D' /esistan$e10. Whi$h of the following will remain the same in a #arallel $ir$uit!

&A' Voltage &(' Current &)' ower &D' /esistan$e

11. Cal$ulate the endtoend resistan$e of a 20 meter length of $o##er wire with a diameter of

0.0" $m. se 1.%&( 10%5 6 $m for the s#e$i7$ resistan$e of $o##er.

12. Define relu$tan$e

13. Define energ8.

14. Define '',

1". Define ,lu9 densit8.

1%. What is the relation *etween : and ;.

1&. What is relati

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1-. Define ermea*ilit8

20. Draw the ele$tri$ e+ui $urrent of " >m# is redu$ed to 2 >m#s in 0.0" se$onds in a $oil of indu$tan$e 1.0 ;.

Cal$ulate the mean

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10. List the $hara$teristi$s of i #arallel $ir$uitsE and ii series $ir$uits.

11. Show how @CL is *ased on the #rin$i#le of $onser

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. Determine the ratio of #owers dissi#ated in two resistors= ea$h ha

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. sing Nodal >nal8sis= ,ind Voin the Cir$uit.

5. sing 'esh >nal8sis= ,ind Voin the Cir$uit.

2. ,ind the e+ui

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4. ,ind $urrent flowing through 2and 4resistan$es using nodal anal8sis.

. ,ind $urrent flowing through 2=%and 10resistan$es

10. a ,ind $urrent deli

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* ,ind Current flowing through %resistan$e.