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Moving charges and magnesium...

Moving charges and magnesium

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Moving Charges and Magnetism

Moving Charges and Magnetism

Assertion : Magnetic field interacts with a moving charge and not with a stationary charge. Reason : A moving charge produces a magnetic field.

Assertion (A): Magnesium does not impart any characteristic colour to the flame. Reason (R ): Due to small size and high effective nuclear charge, magnesium requires a large amount of energy for excitation of electrons.

A charge is moving through a magnetic field. The force acting on the charge is maximum when the angle between the velocity of charge and the magnetic field is _______

On heating magnesium nitrate forms oxides of nitrogen and magnesium. The oxides formed are:

Assertion : Magnetic field do not work on moving charge Reason : Magnetic field do not provide acceleration to charge.

A moving charge produces

A: The magnetic field always accelerates a moving charge if the moving charge cuts the field lines. R: When a moving charge cuts the magnetic field lines, the magnetic force on the charge is always non zero.

Hydrated magnesium chloride on heating gives magnesium oxide.