Physics 204 Exam II

# Physics 204 Exam II - PHY204 Exam II Prof J Ronino 7/311 1...

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Sheet1 Page 1 PHY204 Exam II Prof. J. Ronino 7/311 1) You have a hollow metaf'CYllnder of 2.00 em ana 15.0 em in length on an insulated stand. Th dielectric strength altha alt around the cylinder is 3~OO x1 Vim. Calculate the largest charge you can de it on the cylinder before the airbSComes eonducting and begins to spark EMA)/,:(~/L2. 3)(ul'I,J}M-= Q . . ' Q~5,OOl(1 b. Calculate the electric potential difference that exists between the surface of the cyfi er and a point 3.00 C"" outside the surface of the cylinder . V, 2.ftt h' ':" J. .:5: -'5~O~~ o ,1t(g.1eX'o"11)( I~) (1 2) A.lf you wish to produce 2000V in coif of wire whose inductance is 0.30 mH. !eutate the rate of change the current in the coil must have. 20tJt)\J# 6t B. Suppose you wish to make the a " 'Ie ou of a cardboard tube and a wire 3.00 m long. Calculate the L-= 1)0 ~ ._ L. _'> )-![i~.OO5t"1 ] (1( 3) Suppose you had three resistors of 8.00n. Calculate the four different resistances you can produce-using all three of them. 'VL 2trtof 2lr(I,"tOht1)(.&~)(-l5M)) length of the coU you would need. T,p radius of tAetl,M is uDknmm. h\ 2 ~A I ~-"'3,. h A-1t(~ i / ( q.:\ ~ .3K.IO -:: L4f1xtoh~ l '20'( ft'(

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Sheet1 Page 2 CD g. ..n. . ) l=4 ~.__."'. ~-- {o \ e (10 g ?, b -l [~,. . :1 ,lt1~ (g) "&+' ~ \t, Lo+. .l.-\ ,-+ --~ , lculate the rate of change the 5_.'i_D. .................. PHY204 Exam II Prof. J. Rollino 7/31/ 1) You have a hollow metal eyUnder of 2.00 cm.l"'s and 15.0 em in length on an insulated stand. ..J strength of the _around the cylinder is 3 cylinder before the air beComes conducting and begins to spark E",o.lt '= (Q!LL 31.\0' \I}M: Q "" _, Q:: '5,OOXI I-- b. Calculate the electric potential difference that exists between the sUrface of the cyli er and a point 3.00 C~ outside the surface of the cylinder . V~ ~~) In (if (1 2fthor tn(!. ..so,J)(.OI.n\)(.t5M)) o j'ft(8.hKIO""')( I~)
Sheet1 Page 3 2) A .If you wish to produce 2000V in coil of wire whose inductance is 0.30 mH, current in the coil must have. to:. -L 6l-2000't0~"'IO~"l't) !i -4t 6t jk. . =('."lxtO" AI, B. Suppose you wish to make the I r a . ve outot a cardboard tube and a wire 3.00 m long. Calculate the length of the coil you would need. Tp radius Of th.ta,be is IIDtcnqya. -= l ll~A i . ..,-= L ))0 N tfr() ~'" rcr 4 "" ., - j (1{ 3) Suppose you had three resistors of 8.000. Calculate the four different resistances you can produce using all ~~~. CD )t =4 (''''"__"~ ~~-- ~ h~~ 10-'> -= L41/)( tOh~) Lit)'2 it(" i[f:hOO3'"]

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Sheet1 Page 4 (0 (10 ( parallel with a capacitor of 10.0J.lF. The network is then connected to 6.00 V battery. Draw the arrangement an calculate the charge, vottage and'potential energy In the 12.0J,JF capacitor. ..." ~fE:-\H \1IJ.f -*-:: .L +J. ...., . Ct~= 2J.tF lOO~ Q, C\I "~IO~( (o'/)=[:ll<IO-S~\ V III '/' %= 1. &V (12xJowfj ~ .
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Physics 204 Exam II - PHY204 Exam II Prof J Ronino 7/311 1...

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