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MODERN PUBLICATION-MAGNETIC EFFECTS OF ELECTRIC CURRENT-EXERCISE
- The strength of magnetic field gets halved if the current flowing in a...
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- The direction of magnetic field at the center of circular current carr...
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- If the number of turns of a circular current carrying conductor is dou...
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- An electromagnet is a solenoid with a soft iron core. Is this stateme...
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- When the number of magnetic field lines through a closed loop changes ...
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- In 15A wiring the copper wire used is thicker as compared to 5A wiring...
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- The direction of induced current can be found by Fleming's left hand r...
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- When the current changes the direction 50 times in one second then the...
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- Greater the power of an appliance, higher is the current flowing throu...
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- The magnitude of induced emf produced depends on the rate of change of...
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- The direction of magnetic field in case of a straight current carryin...
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- The magnetic field around a current carrying straight conductor is in...
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- If the total number of turns of solenoid is doubled, and simultaneousl...
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- An electromagnet is a temporary magnet. Is this statement true.
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- A stationary charged particle in a magnetic field experiences a magnet...
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- A neutron moving in a magnetic field experiences a magnetic force. Is ...
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- F is always perpendicular to v and B in the formula F=q( v × B ). ...
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- Fill in the blanks A magnet attracts materials like .
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- Space around a .......... in which its magnetic effect can be experien...
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- Fill in the blanks Magnetic field lines are directed to outside the ...
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