circuit diagrams. 2. Write the formulae to calculate the effective resistances when resistors are connected (a) in series and (b) in parallel. 3. How is the total potential difference calculated across a combination of resistors in series? 4. Example 12.7 An electric lamp‚ whose resistance is 20 Ω‚ and a conductor of 4 Ω resistance are connected to a 6 V battery (Fig. 12.9). Calculate (a) the total resistance of the circuit‚ (b) the current through the circuit‚ and (c) the potential
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understanding different illness‚ and issues that arise in the medical field. More specifically‚ the cooperation of evolutionary biology with modern medicine has helped with understanding antibiotic resistance and susceptibility‚ spread of disease‚ and development of cancer. I will be discussing the antibiotic resistance and susceptibility of E. Coli Biofilms‚ the spread of Tuberculosis‚ and the changes in breast cancer cell DNA. These different examples are going to prove how evolution has affected medicine
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section is just a two-dimensional view of a slice through an object. An often asked question: How can you convert the diameter of a round wire d to the circle cross section surface or the cross-section area A (slice plane) to the cable diameter d? Resistance varies inversely with the cross-sectional area of a wire. | ------------------------------------------------- Top of Form | Wire diameter d | unit | | | Cross-sectional area A | unit2 | | | | | ↓ | | | | ↓
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Peaceful resistance to laws negatively impact a free society. This is because it makes the government look at us as though we are taking our freedom for granted. It also shows that we are not grateful for the freedom we have. Even though you are peacefully resisting‚ you can still be go to jail and miss out on your freedom. Henry David Thoreau said "I heartily accept the motto ’That a government is best which governs least’ and I should like to see it acted up to more rapidly and systematically."
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Techniques This section explains two circuit laws needed to analyze the circuit. 2.1 Ohm’s Law Ohm’s law is used to relate voltage across an element‚ current through it‚ and resistance of the element. Ohm’s law is expressed in (1)‚ where v is voltage across (volts)‚ I is current through (amps)‚ and R is resistance (ohms). The equation follows the passive sign convention. (1) 2.2
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Bishop Desmond TuTu Bishop Desmond TuTu By Alyssa Ducasse May 30‚ 2011 Period 3 Leaders often come to power or prominence because the country has problems and the leaders are proposing solution to those problems. There have been many complications in certain countries and the leaders play a significant role in either fixing the problems or making them worse. Bishop Desmond Tutu was born in 1931 in Klerksdorp‚ Transvaal. He is a South African activist and Christian cleric who began famous
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resistive devices typically fabricated by laying a strip of resistive ink on a flexible plastic substrate‚ shaped as a thin‚ flexible stripe in lengths between 1” and 5”. At rest (when laid flat)‚ the bend sensor is characterized by an intrinsic resistance. As the sensor is bent‚ the resistive materials inside it are pulled further apart. Fewer adjacent resistive particles
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Conclusions of DH5α DNA transformation with red colonies resistance to ampicillin and the lacZ gene Introduction: In this experiment‚ a plasmid with a gene that has resistance to the antibiotic ampicillin and has lacZ is used to transfer the resistance into E. coli bacteria in red colonies. This same technique is used to give diabetics their insulin‚ and to give dwarfs growth hormones. The point of this lab is to give the groups an idea how DNA can
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Aim: To find resistance of a given wire using metre bridge and hence determine the specific resistance of its material. Apparatus: A meter bridge ‚a Leclanche cell ‚ a galvanometer ‚a resistance box‚ a jockey‚ a resistance wire or resistance coil‚ a metre scale‚ a set square and connecting wires Procedure: 1.Draw the circuit diagram as shown in figure and arrange the apparatus according to the arrangement diagram. 2. Connect the resistance wire or resistance coil whose resistance is to be determined
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is a Gram-positive bacterium that developed resistance to the penicillin derivative tnethicillin. Subsequently‚ methicillin-resistant S. aureus {MRSA) emerged as a bacterium that became less susceptible to the actions of methicillin and thus developed the ability to colonize and cause life-threatening infections. Globally.‚ MRSA continues to cause hospital-acquired infections which are becoming difficult to treat owing to increasing glycopeptide resistance and the increasing development of community-associated
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