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An electromagnet is a solenoid with a so...

An electromagnet is a solenoid with a soft iron core.
Is this statement true.

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MODERN PUBLICATION-MAGNETIC EFFECTS OF ELECTRIC CURRENT-EXERCISE
  1. The direction of magnetic field at the center of circular current carr...

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  2. If the number of turns of a circular current carrying conductor is dou...

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  3. An electromagnet is a solenoid with a soft iron core. Is this stateme...

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  4. When the number of magnetic field lines through a closed loop changes ...

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  5. In 15A wiring the copper wire used is thicker as compared to 5A wiring...

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  6. The direction of induced current can be found by Fleming's left hand r...

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  7. When the current changes the direction 50 times in one second then the...

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  8. Greater the power of an appliance, higher is the current flowing throu...

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  9. The magnitude of induced emf produced depends on the rate of change of...

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  10. The direction of magnetic field in case of a straight current carryin...

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  11. The magnetic field around a current carrying straight conductor is in...

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  12. If the total number of turns of solenoid is doubled, and simultaneousl...

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  13. An electromagnet is a temporary magnet. Is this statement true.

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  14. A stationary charged particle in a magnetic field experiences a magnet...

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  15. A neutron moving in a magnetic field experiences a magnetic force. Is ...

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  16. F is always perpendicular to v and B in the formula F=q( v × B ). ...

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  17. Fill in the blanks A magnet attracts materials like .

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  18. Space around a .......... in which its magnetic effect can be experien...

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  19. Fill in the blanks Magnetic field lines are directed to outside the ...

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  20. Fill in the blanks The tangent at any pont on the magnetic field line ...

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