Physics, 24.07.2021 04:30 harcharikc8275
Độ lớn cảm ứng từ trong lòng một ống dây hình trụ có dòng điện chạy qua tính bằng biểu thức là
A.
B.
C.
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Answers: 1
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A26 cm object is 18 cm in front of a plane mirror. a ray of light strikes the object and is reflected off the mirror at a 42-degree angle. what is the angle of reflection? degrees what type of image is formed? what is the size of the image? cm
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Physics, 22.06.2019 09:50
Which statement correctly describes the current in a circuit that is made up of any two resistors connected in parallel with a battery? a. the current in the battery and in each resistor is the same b. the current the battery equals to the sum of the currents in the resistors c.the current in the battery is less than the current in either resistor d. the current in the battery equals to the product of the currents in the resistors
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Find the magnetic field a distance r from the center of a long wire that has radius a and carries a uniform current per unit area j in the positive z direction.
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Acoil suspended freely, points in some direction when no current is passed through it . can you tell what will happen when a current is passed though it?
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Độ lớn cảm ứng từ trong lòng một ống dây hình trụ có dòng điện chạy qua tính bằng biểu thức là
A.
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