magnetism, Physics

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how to find neutral point in a system of magnets

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Explain change in kinetic energy, Two blocks are tied together by a horizon...

Two blocks are tied together by a horizontal string and pulled a distance of 2.7 m across an air hockey table with a constant force of 35 N. The force is directed at an upward angl

How many amps of current in 150-watt 120 volt light bulb, Used normally, a ...

Used normally, a 150-watt, 120 volt light bulb requires how many amps of current? Ans: Used generally, a 150-watt, 120 volt light bulb needs 1.25 amps.

6, A skydiver falls d1 = 495 meters in t1 = 22 s before opening his parachu...

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

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why the reflective index of cladding is lower then in core of a fiber optic?

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Define the terms threshold frequency and stopping potential in relation to the phenomenon of photoelectric effect. How is the photoelectric current affected on enhancing the (i)

Turbulent blood flow in anaemic patients, 1.  Turbulent blood flow in anaem...

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Using which law induced electric currents can be explained, Induced electri...

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What is flux or magnetic lines of force?, There are imaginary lines or path...

There are imaginary lines or path of the field in the given direction. The lines of force are assumed to make a closed path beginning from N pole and ending at S pole with no loss.

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The decrease of mass is related to the binding of the individual particles together inside the nucleus. Therefore every stable nucleus has a mass which is less than the total ma

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