SAMPLE PAPER-03 (unsolved) PHYSICS (Theory) Class – XII Time allowed: 3 hours Maximum Marks: 70 General Instructions: a) b) c) d) e) f) g) h) All questions are compulsory. Questions 1 to 5 are one mark questions. Questions 6 to 10 are two marks questions. Questions 11 to 22 are three marks questions. Question 23 is four marks question. Question 24 to 26 are five marks questions. There is no overall choice in the question paper‚ but internal choice is there. Use of calculator is not permitted.
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Wire-Map Testers: The Wiremap test is used to identify physical errors of the installation; proper pin termination at each end‚ shorts between any two or more wires‚ continuity to the remote end‚ split pairs‚ crossed pairs‚ reversed pairs‚ and any other mis-wiring. It tests four-pair data and voice cable links terminated with standard‚ modular‚ eight-position RJ45 jacks. Shielded ports test both shielded and unshielded cabling. This is essential for just about any network as telephones
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Making a Model Maglev Train Magnetically levitating (Maglev) trains use electromagnetic force to lift the train above the tracks. This system greatly reduces wear because there are few moving parts that carry heavy loads. It’s also more fuel efficient‚ since the energy needed to overcome friction is greatly reduced. Although maglev technology is still in its experimental stages‚ many engineers believe it will become the standard for mass transit systems over the next 100 years. This project
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William Gilbert William Gilbert was also known as William Gilbert. He lived from 24 May 1544 – 30 November 1603. He was an English physician‚ physicist and natural philosopher. He didn’t agree with the traditional way of learning which was to learn completely from books and instead tried investigating and experiments of his own to find out information. He became famous for his experiments with electricity and magnetism which he published books on. William Gilbert first coined the term "electricity"
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SMART MATERIALS Smart or intelligent materials form a group of new and state-of-the art materials now being developed that will have a significant influence on many of our technologies. The adjective “smart” implies that these materials are able to sense changes in their environments and then respond to these changes in predetermined manners—traits that are also found in living organisms. The field of smart materials attempts to combine the Sensor: that detects an input signal Actuator:
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9.2 Space Students learn to: Students: 1. The Earth has a gravitational field that exerts a force on objects both on it and around it define weight as the force on an object due to a gravitational field perform an investigation and gather information to determine a value for acceleration due to gravity using pendulum motion or computer-assisted technology and identify reason for possible variations from the value 9.8 ms-2 gather secondary information to predict the value of acceleration
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GUIDE QUESTIONS 1. What happens to the distribution of magnetic flux lines when the iron ring was placed in between the U-magnets? The distribution of magnetic flux lines when the iron ring is placed in between the magnets‚ the iron ring is included in the distribution of flux lines. Instead of connecting to the other pole‚ the ring affects its distribution and some of it is attracted to the iron ring. 2. How does changing the current affect the magnetic force on a wire suspended in a magnetic
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GCSE Physics Coursework - Resistance of a Wire Coursework Resistance of a Wire Task To investigate how the resistance of a wire is affected by the length of the wire. Theory What is resistance? Electricity is conducted through a conductor‚ in this case wire‚ by means of free electrons. The number of free electrons depends on the material and more free electrons means a better conductor‚ i.e. it has less resistance. For example‚ gold has more free electrons than
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Magnet GWU Net2 Dr. Ami Bhatt Magnet Magnet status is a highly coveted status‚ it is known for providing measurable outcomes‚ high scoring in benchmarks. It was called Magnet as it was known to draw nurses for the lower level of RN to patient ratio’s high staff satisfaction and larger number of Registered Nurses who were doing primary care doing tasks for the patient and not delegating tasks. Only 6% of hospitals currently hold magnet status‚ a hospital that has magnet status provides
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Electricity and magnetism are two different aspects of one force. This force is called the electromagnetic force. Electricity can be generated by rotating coils of wire in the vicinity of a magnet. When a force moves objects toward and away from each other it is called electricity. When it comes to magnets‚ Earth and other planets behave like giant magnets. The first know magnets were iron materials. If one piece of the iron was placed in contact with the other‚ it attracted it. In ancient times
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