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Part A) Infra-Red (IR) Detectors:
An IR detector has an impedance of Z= (400+j200) ? . .
During design tests the detector current is measured as 4 µA.
What is the output voltage of the detector? Part B) Optic lens:
Using a converging lens of focal length f= 10 cm, we want an object to appear on the screen twice as big as its original size.
Where is the object to be located in front of the screen (real image)?
This depends on the arrangement of a beam or column. for a simply supported beam with a point load in the centre of the beam Mmax = WL/4 and will occur at centre span W is the lo
Luminous flux and LASER: The luminous flux of a light source is measured in the units of LUMEN (lm). Lumen (lm) is the amount of light emitted per second by uniform (point) so
two insulated charged copper spheres A and B of identical size have charge q and -3q respectably .when they are brought in contact with each other and then separated,what are the n
electric field
a) What is the magnitude of a point electric charge chosen so that the electric field because of it at a point 50 cm away has magnitude 2.0 NC¯¹ ? (b) Get a mathematical expre
What are spatial effects? Representations of shooting stars, nebulas, comets and others, made with frequently thousands of individual animation illuminator and fibers.
does sodium sulfate contain both ionic and covalent bonds
What is Fission and Fusion? Fission: The breaking down of a Nucleus (not atom) into minute nuclei. It is usually induced by a neutron. For instance, a Helium nucleus (known a
What is Utilisation Count? Utilisation Count shows status of every processor in a particular mode it implies that overhead mode, idle mode and busy mode with respect to progres
Michelson-Morley experiment (A.A. Michelson, E.W. Morley; 1887) Probably the most popular null-experiment of all time, designed to check the presence of the proposed "lumenife
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