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12th ICSE
IMPORTANT
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Gauss is the unit of :

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Important Questions on Moving Charges and Magnetic Field

EASY
12th ICSE
IMPORTANT
A metallic wire having length of 2 m and weight of  4 × 10-3 N is found to remain at rest in a uniform and transverse magnetic field of 2 × 10-4 T. Current flowing through the wire is:
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12th ICSE
IMPORTANT
Magnetic induction vector B in terms of base units of SI would be :
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12th ICSE
IMPORTANT
The period of revolution of a charged particle injected normal to a uniform magnetic field is independent of the:
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12th ICSE
IMPORTANT
Which of the following cannot be the shape of the path of a charged particle moving in a uniform magnetic field ?
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12th ICSE
IMPORTANT
A circular coil carrying a current I has radius R and number of turns N If all the three,i.e., the current I radius R and number of turns N are doubled then magnetic field at its centre becomes :
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12th ICSE
IMPORTANT
The magnetic field strength at a point due to a long straight conductor :
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12th ICSE
IMPORTANT
Which graph represents the variation of magnetic field B with distance a from a long straight current carrying conductor ?
EASY
12th ICSE
IMPORTANT
A positive charge projected towards east is deflected towards north by a magnetic field. The field is directed :