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MODERN PUBLICATION-MAGNETIC EFFECTS OF ELECTRIC CURRENT-EXERCISE
- Which of the two circuits 5 ampere or 15 ampere requires a thin fuse w...
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- Does current prefers to move in a high or low resistence path?
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- What is the composition of the alloy of which the electric fuse is mad...
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- What is the frequency of household supply of a.c. in India?
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- Lodestone(Fe3O4) has enormous application because it is a strong magne...
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- Unlike poles repel each other. Is this statement true.
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- The magnetic field lines
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- Magnetic field lines are discontinuous curves. Is this statement true.
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- Why two magnetic lines of forces never intersect each other?
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- How will you prove that current flowing through a copper wire produces...
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- 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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