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Physics  Time: 3 Hours Max. Marks: 70
Physics Time: 3 Hours Max. Marks: 70

... Q. 29. There are a total of N cells each of emf E and internal resistance r. They are connected in the form of a 2 dimensional array of “n” rows each having equal number of cells. What is the maximum current that can be obtained from this combination? (b) This array is connected to an external resis ...
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1 Slinking round Learning Objectives: 1. Explore the Earthss

... Length of solenoid affects magnetic field As length increases, magnetic field decreases Length of solenoid ...
magsources
magsources

Magnetic Properties Introduction
Magnetic Properties Introduction

Electromagnetic Induction
Electromagnetic Induction

...  A loop of area 2.00 cm2 is in a constant magnetic field of 0.100 T. What is the magnetic flux through the loop in each of the following situations:  When the loop is perpendicular to the field  When the loop is parallel to the field  When the normal to the loop and the field have an angle of 60 ...
Magnetic Field Lines
Magnetic Field Lines

... DC Electric Motor  A DC electric motor (one powered by a battery) must also have AC current in order to work.  In a DC motor, the DC from the battery is converted into AC by a combination of the brushes and the commutators.  Before we look at the operation of a DC Motor, lets look at its ...
Molecular identification of Exiguobacterium acetylicum as the
Molecular identification of Exiguobacterium acetylicum as the

... colonies are whitish-grey later turning yellow, and it is obligately aerobic with variable oxidative carbohydrate metabolism. Both Exiguobacterium species are motile by virtue of peritrichous flagella and have a unique CFA pattern. Several other members have been reported and can be differentiated b ...
13.1 Ecologists Study Relationships
13.1 Ecologists Study Relationships

... • Prokaryotes can be grouped by their need for oxygen.  obligate anaerobes are poisoned by oxygen (cannot live where oxygen is found)  obligate aerobes need oxygen  facultative aerobes can live with or without oxygen One gram of soil can contain as many as 5 billion bacteria cells from up to 10,0 ...
Forces on Current Carrying Wires in Magnetic Fields
Forces on Current Carrying Wires in Magnetic Fields

... magnetic field which has a value of 55μT at a particular location. When the proton moves eastward, the magnetic force is directed upward, and when it moves northward, no magnetic force acts on it. a) What is the direction of the magnetic field? b) What is the strength of the magnetic field when the ...
Name: #: Cellular Respiration Review 2 Process Where does it
Name: #: Cellular Respiration Review 2 Process Where does it

... 6. Write the complete overall chemical equation for cellular respiration using chemical symbols instead of words: 6O2 + C6H12O6  6H2O + 6CO2 + 36ATP 7. Why do we say there is a ‘net’ gain of 2 ATP at the end of glycolysis? Glycolysis produces 4ATP but since it needs 2 ATP to start, the cell only in ...
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Bacteria Cell shapes Cell group arrangements Bacterial cell

Magnetic dipole moment
Magnetic dipole moment

... Ferrimagnetic Materials (Ferrites) Ferrimagnetic materials are also called as Ferrites. Ferrites are the modified structures of iron with no carbon and are composed of two or more sets of different transition metals. These materials have anti parallel magnetic moments of different magnitudes, giving ...
UNIT 2 CLASSIFICATION
UNIT 2 CLASSIFICATION

rangus-prezentacija
rangus-prezentacija

... Nuclear spins are coupled with the help of the molecular electrons It is exclusively intramolecular The mechanism responsible for the multiplet structure It can be viewed only in solution-state NMR spectra where the spectral lines are narrow enough to observe the interaction ...
The Two Characteristics of Superconductivity
The Two Characteristics of Superconductivity

...  According to BCS theory, the binding energy of a cooper pair at absolute zero is about 3kbTC , where kb is Boltzmann constant, TC is critical temperature  Cooper pairs do not obey Fermi-Dirac statistics. They are bosons.  BCS theory presently fails to explain superconductivity of high temperatu ...
Microbes and Diseases ppt
Microbes and Diseases ppt

... would to any germ. The vaccine is easier to fight than the illness you’re being vaccinated against and it won’t make you sick while your immune system fights it. Once the immune system works out how to fight and kill the antigens, it remembers what works against them and protects your body in ...
To the Possibility of Bound States between Two Electrons
To the Possibility of Bound States between Two Electrons

... arrange collisions between polarized beams of electrons with energy more than Eq. 8 and hope that in some collision the bonded state will emerge. As this probability is small, one should hope that accumulation of such pairs might be effective. One positive moment here is the pair of electrons bounde ...
magnetic field - Broadneck High School Physics Web Site
magnetic field - Broadneck High School Physics Web Site

... that represent the sounds or pictures, or data being recorded. The electric signals produce currents in the recording head that create magnetic fields. When magnetic recording tape or disk surface, which has many tiny bits of magnetic material bonded to thin plastic (or a magnetized iron surface), p ...
MAGNETISM and its practical applications - ardent
MAGNETISM and its practical applications - ardent

... Where the total magnetic reluctance R [H=Wb/A] is the sum of the reluctances of different materials in the circuit. and the energy per unit volume stored in the magnetic field: is the magnetic force Mechanical Engineering laboratory - Magnetism ...
Near-Field Magnetic Communication Properties
Near-Field Magnetic Communication Properties

... induction. While a small amount of RF energy inevitably flows from the transducer, the majority of the energy is stored in the form of a magnetic field. It is this fact that provides for some of the unique advantages of magnetic communication ...
Infection and Disease I
Infection and Disease I

... rural population in Guatemala, testing blood samples, oral samples and samples from underneath the fingernails. They found that over half of the subjects tested positive via blood test, nearly 90 percent tested positive for oral carriage of the infection and over half tested positive for fingernail ...
Microbiology bulletin 10 May 2014
Microbiology bulletin 10 May 2014

LECTURE TEST PACKET #3
LECTURE TEST PACKET #3

... MOLECULE OF GLUCOSE? - bacteria generally make 38 ATP molecules from each molecule of glucose catabolized in cell respiration, but eukaryotic cells generally produce only 36 ATP molecules from glucose using the same pathway!! ...
Slide 1
Slide 1

CONTINENTAL DRIFT SEA-FLOOR SPREADING PLATE TECTONICS
CONTINENTAL DRIFT SEA-FLOOR SPREADING PLATE TECTONICS

... minerals crystallizing from molten lava align themselves with the earth’s magnetic field - thus preserving a record of where the rocks formed relative to the earth’s magnetic poles Earth’s magnetic field ...
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Magnetotactic bacteria

Magnetotactic bacteria (or MTB) are a polyphyletic group of bacteria discovered by Richard P. Blakemore in 1975, that orient along the magnetic field lines of Earth's magnetic field. To perform this task, these bacteria have organelles called magnetosomes that contain magnetic crystals. The biological phenomenon of microorganisms tending to move in response to the environment's magnetic characteristics is known as magnetotaxis (although this term is misleading in that every other application of the term taxis involves a stimulus-response mechanism). In contrast to the magnetoception of animals, the bacteria contain fixed magnets that force the bacteria into alignment — even dead cells align, just like a compass needle. The alignment is believed to aid these organisms in reaching regions of optimal oxygen concentration.
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