A sheet is placed on a horizontal surface in front of a strong magnetic pole. A force is needed to:
A. hold the sheet there if it is magnetic.
B. hold the sheet there if it non-magnetic.
C. move the sheet away from the pole with uniform velocity if it is conducting.
D. move the sheet away from the pole with uniform velocity if it is both, non-conducting and non-polar.
Choose the correct statement(s) from the options given below:
Text Solution
Verified by ExpertsNOT AVAILABLE
If sheet is magnetic, then force is required to hold the sheet because magnetic pole exert force on sheet
As sheet is conducting, eddy current formed which oppose the way by which it is produced, so forced is required.
As sheet is non conducting & non polar, so no magnetization occur in sheet hence no force is required.
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