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MODERN PUBLICATION-TEXTUAL QUESTIONS-EXERCISE
- According to Curie's law, the magnetic susceptibility of a substance a...
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- Above curie temperature
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- Nickel shows ferromagnetic property at room temperature. If the temper...
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- Electromagnets are made of soft iron, because soft iron has
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- For protecting a sensitive equipment form external magnetic field, it ...
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- Using mass (M), length (L) time (T) and current (A) as fundamental qua...
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- A length of wire carries a steady current. It is first bent to form a ...
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- Magnetic field B on the axis of a circular coil and far away distance ...
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- A long straight wire of radius a carries a steady current I. the curre...
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- Which of the following conclusions can eb drawn from the result oint v...
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- An electron is travelling along the X-direction. It encounters a magne...
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- A charged particle enters a magnetic field H with its initial velocity...
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- A proton and an alpha particle of the same velocity enter in turn a re...
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- An electron (with charge 1. 6 xx 10 ^(-19) C) moving at right angles t...
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- In a mass spectrometer used for measuring the masses of ions, the ions...
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- A prot is about 1,840 time heavier than an electron. When it is accele...
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- A cyclotron is used to accelerate
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- The cyclotron frequency of an electron gyrating in a magneti fied of 1...
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- Two parallel beams fo positions moving in the same direction will
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- A Galvanometer can be changed into ammeter by providing
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