old papers: aiou ,3404,2011

<div dir="ltr" style="text-align: left;" trbidi="on"> <br /> <span style="font-size: large;"><br /></span> <br /> <h2 style="text-align: left;"> <span style="font-size: x-large;"><b> Old Papers</b></span></h2> <h3 style="text-align: left;"> <span style="font-size: large;"><b>Physics </b></span></h3> <span style="font-size: large;"><br /></span> <br /> <table cellpadding="0" cellspacing="0" class="tr-caption-container" style="float: left; margin-right: 1em; text-align: left;"><tbody> <tr><td style="text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEg631E3T38WKi1W79dg5QQuomT_lo3ySCSL2VeLMtINqVYHOsJ3lZz6tlQ4K2Qxy9Jk2bmGBrx8mAxXfhqiu_Ql67g3Wqqo90qVL5n63vRka_4zCgqdVyDcq_zllACNrBxwsMky59sa8k8/s1600/allama.png" style="clear: left; margin-bottom: 1em; margin-left: auto; margin-right: auto;"><img border="0" loading="lazy" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEg631E3T38WKi1W79dg5QQuomT_lo3ySCSL2VeLMtINqVYHOsJ3lZz6tlQ4K2Qxy9Jk2bmGBrx8mAxXfhqiu_Ql67g3Wqqo90qVL5n63vRka_4zCgqdVyDcq_zllACNrBxwsMky59sa8k8/s1600-rw/allama.png" /></a></td></tr> <tr><td class="tr-caption" style="text-align: center;">AIOU</td></tr> </tbody></table> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <h3 style="text-align: left;"> <span style="font-size: large;">            </span></h3> <h3 style="text-align: left;"> <span style="font-size: large;">                     <span style="background-color: black;"><span style="color: white;">ALLMA IQBAL OPEN UNIVERSITY </span></span></span></h3> <span style="font-size: large;">Level Bachelor               Code : 3404            Semester Spring 2011 </span><br /> <span style="font-size: large;"><b>Note:</b> ATTEMPT ANY FIVE QUESTIONS .ALL CARRY </span><br /> <span style="font-size: large;">            EQUAL MARKS </span><br /> <br /> <span style="font-size: large;">Questions #1</span><br /> <span style="font-size: large;">     a) Calculate the electric field due to an electric dipole. </span><br /> <span style="font-size: large;">     b) A molecule of water vapor causes an electric field in the </span><br /> <span style="font-size: large;">         surrounding space as if it were an electric dipole like that </span><br /> <span style="font-size: large;">        of figure below. Its dipole moment has a magnitude </span><br /> <span style="font-size: large;">        P = 6.2 x 1030cm.what is the magnitude of electric field at a </span><br /> <span style="font-size: large;">       distance z =1.1 nm from the molecule on its dipole axis?</span><br /> <span style="font-size: large;">Question #2                                                                              (20) </span><br /> <span style="font-size: large;">Discuss Gauss’s Law and apply it on </span><br /> <span style="font-size: large;">    i)     Cylindrical symmetry </span><br /> <span style="font-size: large;">    ii)     Planar symmetry </span><br /> <span style="font-size: large;">    iii)    Spherical symmetry. </span><br /> <span style="font-size: large;">Question #3 </span><br /> <span style="font-size: large;">a)     Give a complete account on electric potential energy, calculate   </span><br /> <span style="font-size: large;">        potential due to an electric dipole? </span><br /> <span style="font-size: large;">b)   The potential at the centre of a uniformly charged circular disk</span><br /> <span style="font-size: large;">      of radius R = 3.5cm is Vo = 550V. </span><br /> <span style="font-size: large;">i) What is the total charge q on the disk? </span><br /> <span style="font-size: large;">ii) What is the potential at a point on the axis of the disk at a </span><br /> <span style="font-size: large;">     distance z = 5 OR from the centre of the disk?</span><br /> <span style="font-size: large;"> a) Discuss Ohm’s law in detail. Define electric current also. </span><br /> <span style="font-size: large;">b)   One end of an aluminium wire whose diameter is 2.5mm is </span><br /> <span style="font-size: large;">    welded to one end of a copper wire whose diameter is 1.88mm.</span><br /> <span style="font-size: large;">    the composite wire carries a steady current i of 17 mA.</span><br /> <span style="font-size: large;">    what is the current density in each wire? </span><br /> <span style="font-size: large;">a) Calculate the field due to the current interaction of magnetic </span><br /> <span style="font-size: large;">    field with current. </span><br /> <span style="font-size: large;">b) Explain Biot Savart Law. </span><br /> <span style="font-size: large;">a) Calculate the magnetic fields of a solenoid .Also calculate the </span><br /> <span style="font-size: large;">    magnetic field of a toroid. </span><br /> <span style="font-size: large;">b) What is thermo electrical seedback? </span><br /> <span style="font-size: large;">a) What is Pelter’s and ThomsoB. effeet? Calcu!ate total EMF in    </span><br /> <span style="font-size: large;">    thermocouple. </span><br /> <span style="font-size: large;">b) What is Faraday’s law of electromagnetic induction and  it's </span><br /> <span style="font-size: large;">    differential from? </span><br /> <span style="font-size: large;">a) Calculate power in alternating current circuits </span><br /> <span style="font-size: large;">b) A series RLC circuit driven with £rms = 120V at frequency </span><br /> <span style="font-size: large;">   fd = 60.0 Hz contains a resistance R=200 Ohm an iinductance with </span><br /> <span style="font-size: large;">   X<span style="font-size: x-small;">l</span> = 80.0 Ohm and  capacitance with Xc = 150 Ohm.</span><br /> <span style="font-size: large;">i) What are the power factor cos </span><span dir="LTR" style="font-size: 20.0pt;">ф and phase consta<span style="font-size: large;">nt </span></span><span dir="LTR" style="font-size: 20.0pt;">ф of the </span><br /> <span dir="LTR" style="font-size: 20.0pt;">   circuits </span><br /> <span dir="LTR" style="font-size: 20.0pt;">ii) What is the average rate Pav at which energy is dissipated </span><br /> <span dir="LTR" style="font-size: 20.0pt;">     in the resistance.</span><br /> <br /> <h2 style="text-align: left;"> <span style="font-size: x-large;"><b>Old Papers</b></span></h2> <h3 style="text-align: left;"> <span style="font-size: large;"><b>Physics </b></span></h3> <span style="font-size: large;"><br /></span> <br /> <table cellpadding="0" cellspacing="0" class="tr-caption-container" style="float: left; margin-right: 1em; text-align: left;"><tbody> <tr><td style="text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEg631E3T38WKi1W79dg5QQuomT_lo3ySCSL2VeLMtINqVYHOsJ3lZz6tlQ4K2Qxy9Jk2bmGBrx8mAxXfhqiu_Ql67g3Wqqo90qVL5n63vRka_4zCgqdVyDcq_zllACNrBxwsMky59sa8k8/s1600/allama.png" style="clear: left; margin-bottom: 1em; margin-left: auto; margin-right: auto;"><img border="0" loading="lazy" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEg631E3T38WKi1W79dg5QQuomT_lo3ySCSL2VeLMtINqVYHOsJ3lZz6tlQ4K2Qxy9Jk2bmGBrx8mAxXfhqiu_Ql67g3Wqqo90qVL5n63vRka_4zCgqdVyDcq_zllACNrBxwsMky59sa8k8/s1600-rw/allama.png" /></a></td></tr> <tr><td class="tr-caption" style="text-align: center;">AIOU</td></tr> </tbody></table> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <h3 style="text-align: left;"> <span style="font-size: large;">            </span></h3> <h3 style="text-align: left;"> <span style="font-size: large;">                     <span style="background-color: black;"><span style="color: white;">ALLMA IQBAL OPEN UNIVERSITY </span></span></span></h3> <span style="font-size: large;">Level Bachelor               Code : 3404            Semester Autum 2011 </span><br /> <span style="font-size: large;"><b>Note:</b> ATTEMPT ANY FIVE QUESTIONS .ALL CARRY </span><br /> <span style="font-size: large;">            EQUAL MARKS </span><br /> <span style="font-size: large;">  Q 1. a) Describe Coulomb’s law and its gravitational law. What </span><br /> <span style="font-size: large;">             are the differences between both laws? </span><br /> <span style="font-size: large;">          b) A particle of charge -q, is located at the origin of an x-axis </span><br /> <span style="font-size: large;">              at what location should a second particle of charge -4qi be </span><br /> <span style="font-size: large;">              placed so that the net electric field of two particles is zero </span><br /> <span style="font-size: large;">              at x = 3.0mm.                                                              [10] </span><br /> <span style="font-size: large;">Q2.a) Define and explain the flux of an </span><br /> <span style="font-size: large;">              electric field. [10] b) A Gaussian surface in the form of a </span><br /> <span style="font-size: large;">               cylinder of radius R is immersed in a uniform electric </span><br /> <span style="font-size: large;">               field E. with the Cylinder axis parallel to the field .What </span><br /> <span style="font-size: large;">               is the flux cp of the electric field through this closed </span><br /> <span style="font-size: large;">               surface. </span><br /> <span style="font-size: large;">Q3.a)     Describe scries RLC circuit and derive the expression for </span><br /> <span style="font-size: large;">              e.m.f. developed across each component and the impedance </span><br /> <span style="font-size: large;">              of the circuit. C \ b) Define resonance frequency and derive  </span><br /> <span style="font-size: large;">              the expression</span><br /> <span style="font-size: large;">Q4. a)  Explain the relationship between the current and voltage </span><br /> <span style="font-size: large;">       b)  Write Biot Savarfs Law  </span><br /> <span style="font-size: large;">Q5.     Analyze tlhe travelling electromagnetic wave quantitatively </span><br /> <span style="font-size: large;">           and qualitatively. </span><br /> <span style="font-size: large;">Q 6.</span><br /> <span style="font-size: large;">     a) Explain the diamagnetic, paramagnetic and fciTOtbagmitic</span><br /> <span style="font-size: large;">           behavior in matter, </span><br /> <span style="font-size: large;">     b) Explain hysteresis curve and its practical application. </span><br /> <span style="font-size: large;">Q7. Write note on any two of the following.</span><br /> <span style="font-size: large;">i)  Faraday's law </span><br /> <span style="font-size: large;">ii) Mutual Induction </span><br /> <span style="font-size: large;">iii)  Ampere's law </span><br /> <span style="font-size: large;">Q:8 </span><br /> <span style="font-size: large;">(a)  Derive the expression for field build up due to solenoid </span><br /> <span style="font-size: large;">       and toroid </span><br /> <span style="font-size: large;">b) Why magnetization vector "M' lags behind magnetic intensity  </span><br /> <span style="font-size: large;">      vector ‘H’? Expalin. </span></div>

old papers: aiou ,3404,2011

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