circuit elements around the chosen loop. The figure contains two junctions (where three or more wires meet)--they are at the ends of the resistor labeled R3 . The battery supplies a constant voltage Vb ‚ and the resistors are labeled with their resistances. The ammeters are ideal meters that read I1 and I2 respectively. The direction of each loop and the direction of each current arrow that you draw on your own circuits are arbitrary. Just assign voltage drops consistently and sum both voltage drops
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Definition for antibiotic resistant bacteria: WebMD definitions: Antibiotic resistance is a type of drug resistance where a microorganism is able to survive exposure to an antibiotic. Genes can be... en.wikipedia.org/wiki/Antibiotic-resistant_bacteria Antibiotics were designed to kill bacterium that infect us. Unfortunately‚ they are indiscriminate and also kill the good bacterium that are mostly found in the large intestinal tract. This leaves a person open to reinfection‚ or other more
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stationary‚ there is no back e.m.f. in the armature. Consequently‚ if the motor is directly switched on to the mains‚ the armature will draw a heavy current (Ia = V/Ra) because of small armature resistance. As an example‚ 5 H.P.‚ 220 V shunt motor has a full-load current of 20 A and an armature resistance of about 0.5 . If this motor is directly switched on to supply‚ it would take an armature current of 220/0.5 = 440 A which is 22 times the full-load current. This high starting current may result
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Voltage:___9.00 V____ Place the ammeter crosshairs over the moving blue dots. How many Amps of current (I) is flowing through your circuit? (2 points) Amperage:___0.90 amperes___ Using Ohm’s law V = I x R (page 607 in textbook) calculate the resistance of the light bulb. Don’t forget the units!
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Antibiotics research 1. Define the term antibiotics Antibiotics are a drug used to treat infections caused by bacteria and other microorganisms. Originally‚ an antibiotic was a substance produced by one microorganism that selectively inhibits the growth of another. Synthetic antibiotics‚ usually chemically related to natural antibiotics‚ have since been produced that accomplish comparable tasks 2. a) who was the first scientist to discover antibiotics Alexander Fleming (1928) b) Briefly
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series resistance. It makes the solution of complicated networks (particularly‚ electronic networks) quite quick and easy. The Thevenin’s theorem‚ as applied to d.c. circuits‚ may be stated as under: The current flowing through a load resistance RL connected across any two terminals A and B of a linear‚ active bilateral network is given by VOC || (Ri + RL) where VOC is the open-circuit voltage (i.e. voltage across the two terminals when RL is removed) and Ri is the internal resistance of the
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nanofilm piezoresistors‚ deposited on the oxidized micromachining silicon diaphragm‚ are connected into Wheatstone bridge configuration. For constant voltage VB supply‚ the bridge output V0 is: equation(1) where Ri (i = 1–4) is the resistance of bridge resistors. Thermal drift for offset In Eq. (1)‚ the offset disappears if R1R3 is equal to R2R4. Nonetheless‚ R1R3 is not generally equal to R2R4. The pressure sensor‚ thus‚ has an offset: equation(2) V0=S0K0VB Turn MathJaxon
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Computing Laboratory Report Title of Experiment: Series and Parallel Circuits Date Given: January 28‚ 2013 AIM: To investigate the circuits to tell whether the resistors are in parallel or in series also to determine the internal resistance of a 1.5V cell. THEORY: In this experiment it was expected of the experimenter to have a basic knowledge of circuits in both aspects theoretically and practically. A basic circuit comprises of a cell or power supply (some electric driving
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Dramatic increase in antibiotic resistance is an after effect of genetic material transfer from species to species and within species. Egression of Strains like VREF (vancomycin resistant Enterococcus faecalis)‚ MRSA (Methicillin resistant staphylococcus aureus) add complexity to current drug resistance problems. Use of broad spectrum antibiotics as medicational strategies transforms them from its normal state as gut
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often increases the cost of therapy due to antimicrobial resistance‚ which gives rise to another issue of budget constraints‚ leading to health and economic burden‚ where patients who are resistance to the antibiotics would have poorer clinical outcomes and bear higher cost of treatment8-12.The practitioners should be made aware of the importance of combination therapy in the treatment of certain infections so that the chance of resistance development can be ameliorated to the most possible extent
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