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A coil of 600 turns is wound uniformly on a ring of non-magnetic material. The ring has a uniform cross-sectional area of 200mm2 and a mean circumference of 500mm. If the current in the coil is 4A, determine
(a) The magnetic field strength,
(b) The flux density, and
(c) The total magnetic flux in the ring.
A 0.150-kg ball that is thrown at a velocity of 30.0 m/s hits a wall and bounces back in the opposite direction with a speed of 25.0 m/s. How much work was done by the ball?
what is nicol prisem with suitabel diegram
Please explain diagram of nicol prism, How its working and how its mechanism,,,
WHAT ARE THE PROPERTIES OF MAGNETS?
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Explain Transmitters and Receivers Your radio is able to give you the news or play music because it can receive signals that are transmitted by radio stations. Radio waves are el
A bat emits a sound whose frequency is 142 kHz. The speed of sound in air at 20.0°C is 343 m/s. However, the air temperature is 35°C, so the speed of sound is not 343 m/s. Find the
if you drop a ball from a tall building, after 4.2 seconds what is its speed in m/s?
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