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Physics
A diamagnetic material in a magnetic field moves ______.
Chapter: [5] Magnetism and Matter
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When the temperature of a magnetic material decreases, the magnetization ______.
Chapter: [5] Magnetism and Matter
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Metals getting magnetised by orientation of atomic magnetic moments in external magnetic field are called ______.
Chapter: [5] Magnetism and Matter
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Which magnetic materials have negative susceptibility?
Chapter: [5] Magnetism and Matter
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If a diamagnetic substance is brought near north or south pole of a bar magnet, it is ______.
Chapter: [5] Magnetism and Matter
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Of dia, para and ferromagnetism, the universal property of all substances is ______.
Chapter: [5] Magnetism and Matter
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Curie temperature is the temperature above which ______.
Chapter: [5] Magnetism and Matter
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A material is placed in a magnetic field and it is thrown out of it. Then the material is ______.
Chapter: [5] Magnetism and Matter
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Core of elctromagnets are made of ferromagnetic materials which have ______.
Chapter: [5] Magnetism and Matter
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Lenz’s law is a consequence of the law of conservation of ______.
Chapter: [6] Electromagnetic Induction
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Len’z law provides a relation between ______.
Chapter: [6] Electromagnetic Induction
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The polarity of induced emf is given by ______.
Chapter: [6] Electromagnetic Induction
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A.C. power is transmitted from a power house at a high voltage as ______.
Chapter: [7] Alternating Current
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When an ac voltage of 220 V is applied to the capacitor C, then ______.
Chapter: [7] Alternating Current
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The frequency of A.C. mains in India is ______.
Chapter: [7] Alternating Current
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The electric mains supply in our homes and offices is a voltage that varies like a sine function with time such a voltage is called ... A... and the current driven by it in a circuit is called the ... B... Here, A and B refer to ______.
Chapter: [7] Alternating Current
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Of the following about capacitive reactance which is correct?
Chapter: [7] Alternating Current
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A capacitor has capacitance C and reactance X, if capacitance and frequency become double, then reactance will be ______.
Chapter: [7] Alternating Current
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Consider a region inside which, there are various types of charges but the total charge is zero. At points outside the region ______.
Chapter: [1] Electric Charges and Fields
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Equipotential surfaces ______.
Chapter: [2] Electrostatic Potential and Capacitance
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