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Constantan: Constantan is a copper-nickel alloy. The amount of nickel in constantan is 40%.
Properties:
1. It is silver like appearance.
2. Its electrical resistivity is 5.2*10-8 ohm-m.
3. Its SPECIFIC gravity is 8.9.
4. Its melts at 1300 degree c.
5. The maximum permissible working temperature is about 500 degree c.
6. It can be drawn into thin wires.
7. It is highly corrosion resistant.
USES: It is used for making resistance elements for items like loading rheostats and starters for electric motors. It is also used in thermocouples.
operation symmetry
Complementarity principle (N. Bohr) The principle which a given system cannot exhibit wave-like and particle-like both behaviors at the similar time. i.e., certain experiments
Q. Explain any one of the drawbacks of Rutherford atom model. As-per to the classical electromagnetic theory the accelerating electron must radiate energy at a frequency propo
Short Sightened OR Myopia: When a person can't able to see objects clearly but can see near objects clearly. This defect of vision is known as short sightedness.
A skydiver falls d1 = 495 meters in t1 = 22 s before opening his parachute. After the chute opens, he falls an additional d2 = 470 meters in t2 = 56.5 s. (a) Write an expression t
Micro Waves: Micro waves are radio waves with shorter wavelength among 1mm to 300cm. Microwaves are used in Radar and microwave ovens.
NEWTON'S FIRST LAW AND INERTIA: All the material bodies possess the property of opposing any alter in the state of rest or uniform motion when some external force is applies up
sensitivity of moving coil galvanometer can be increased by decreasing?
why the reflective index of cladding is lower then in core of a fiber optic?
What is dychroic filter? A thin flat piece of glass along with a metal deposition in one of the surfaces applied into a high vacuum environment. There metal layer, only some at
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