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Second Year Physics Electrostatics


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13.19.Whatarehazardsofstaticelectricity?13.19. What are hazards of staticelectricity?

12.11 In Bohrs atomic model of hydrogen atom the electron is in an orbit around the nuclear proton at a distance of 5.29 \times 10^{-11} " \mathrm{m} with a speed of 2.18 \times 10^{6} \mathrm{~ms}^{-1} . \left(e=1.60 \times 10^{-10} \mathrm{C}\right. mass of electron \left.=9.10 \times 10^{-31} \mathrm{~kg}\right) . Find(c) The ionization energy for the atom in eV
 12.11  In Bohrs atomic model of hydrogen atom the electron is in an orbit around the nuclear proton at a distance of  5.29 \times 10^{-11}  "  \mathrm{m}  with a speed of  2.18 \times 10^{6} \mathrm{~ms}^{-1} .  \left(e=1.60 \times 10^{-10} \mathrm{C}\right.  mass of electron  \left.=9.10 \times 10^{-31} \mathrm{~kg}\right) . Find(c) The ionization energy for the atom in eV

12.11InBohrsatomicmodelofhydrogenatomtheelectronisinanorbitaroundthenuclearprotonatadistanceof5.29×1011"mwithaspeedof2.18×106 ms1.(e=1.60×1010Cmassofelectron=9.10×1031 kg).Find(c)TheionizationenergyfortheatomineV 12.11 In Bohrs atomic model of hydrogen atom the electron is in an orbit around the nuclear proton at a distance of 5.29 \times 10^{-11} " \mathrm{m} with a speed of 2.18 \times 10^{6} \mathrm{~ms}^{-1} . \left(e=1.60 \times 10^{-10} \mathrm{C}\right. mass of electron \left.=9.10 \times 10^{-31} \mathrm{~kg}\right) . Find(c) The ionization energy for the atom in eV

Three capacitors of capacitance 2 \mu \mathrm{F} each are connected in parallel. Their equivalent capacitance will be:A) 0.66 \mu \mathrm{F} B) 4 \mu \mathrm{F} C) 6 \mu \mathrm{F} D) 1.5 \mu \mathrm{F}
Three capacitors of capacitance  2 \mu \mathrm{F}  each are connected in parallel. Their equivalent capacitance will be:A)  0.66 \mu \mathrm{F} B)  4 \mu \mathrm{F} C)  6 \mu \mathrm{F} D)  1.5 \mu \mathrm{F}

Threecapacitorsofcapacitance2μFeachareconnectedinparallel.Theirequivalentcapacitancewillbe:A)0.66μFB)4μFC)6μFD)1.5μFThree capacitors of capacitance 2 \mu \mathrm{F} each are connected in parallel. Their equivalent capacitance will be:A) 0.66 \mu \mathrm{F} B) 4 \mu \mathrm{F} C) 6 \mu \mathrm{F} D) 1.5 \mu \mathrm{F}

13.6. A point charge of +2 \mathrm{C} is transferred from a point at potential 100 \mathrm{~V} to a point at potential 50 \mathrm{~V} . What would be the energy supplied by the charge?Ans. (100J)
13.6. A point charge of  +2 \mathrm{C}  is transferred from a point at potential  100 \mathrm{~V}  to a point at potential  50 \mathrm{~V} . What would be the energy supplied by the charge?Ans. (100J)

13.6.Apointchargeof+2Cistransferredfromapointatpotential100 Vtoapointatpotential50 V.Whatwouldbetheenergysuppliedbythecharge?Ans.(100J)13.6. A point charge of +2 \mathrm{C} is transferred from a point at potential 100 \mathrm{~V} to a point at potential 50 \mathrm{~V} . What would be the energy supplied by the charge?Ans. (100J)

13.19. What are hazards of staticelectricity?
13.19. What are hazards of staticelectricity?
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13.19.Whatarehazardsofstaticelectricity?13.19. What are hazards of staticelectricity?

13.3. The force of repulsion between two identical positive charges is 0.8 \mathrm{~N} when the charges are 0.1 \mathrm{~m} apart. Find the value of each charge.Ans. \left(9.4 \times 10^{-7} \mathrm{C}\right)
13.3. The force of repulsion between two identical positive charges is  0.8 \mathrm{~N}  when the charges are  0.1 \mathrm{~m}  apart. Find the value of each charge.Ans.  \left(9.4 \times 10^{-7} \mathrm{C}\right)

13.3.Theforceofrepulsionbetweentwoidenticalpositivechargesis0.8 Nwhenthechargesare0.1 mapart.Findthevalueofeachcharge.Ans.(9.4×107C)13.3. The force of repulsion between two identical positive charges is 0.8 \mathrm{~N} when the charges are 0.1 \mathrm{~m} apart. Find the value of each charge.Ans. \left(9.4 \times 10^{-7} \mathrm{C}\right)

13.16. What is difference between variable and fixed type capacitor?
13.16. What is difference between variable and fixed type capacitor?

13.16.Whatisdifferencebetweenvariableandfixedtypecapacitor?13.16. What is difference between variable and fixed type capacitor?

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