Magnetic field lines, Oersted's experiment, electromagnets, motor and generator (qualitative).
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Q1 · Magnetic Effects of Current · MEDIUM
A horizontal conducting rod of length 0.5 m carrying a current of 8 A is placed perpendicular to a uniform magnetic field of 0.25 T. If the rod experiences a force, what is the magnitude of this force?
Q2 · Magnetic Effects of Current · EASY
In Fleming's left-hand rule, if the forefinger points in the direction of the magnetic field and the middle finger in the direction of current, what does the thumb indicate?
Q3 · Magnetic Effects of Current · EASY
A straight conductor carrying current is placed in a uniform magnetic field perpendicular to its length. What will happen to the conductor?