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the current primary coil opposite direction
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a)Needle will show deflection though current is switched off EMF is generated due to which needle shows deflection.
b)Needle will not show deflection initially at beginning it will show deflection but attain to 0 within instant.
c)Electromagnetic induction is the phenomenon responsible it states that when there is relative motion between current carrying coil and magnetic field or effect EMF is generated this is called as electromagnetic induction.
d)Fleming's right hand rule is used here which states that Sterch your right hands forefinger ,middle finger and thumb in such a way that they are mutually perpendicular to eachother. It thumb represents induction or motion and forefinger represents magnetic field middle finger will show direction of electric current.
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b)Needle will not show deflection initially at beginning it will show deflection but attain to 0 within instant.
c)Electromagnetic induction is the phenomenon responsible it states that when there is relative motion between current carrying coil and magnetic field or effect EMF is generated this is called as electromagnetic induction.
d)Fleming's right hand rule is used here which states that Sterch your right hands forefinger ,middle finger and thumb in such a way that they are mutually perpendicular to eachother. It thumb represents induction or motion and forefinger represents magnetic field middle finger will show direction of electric current.
hope this ans is helpful plz mark it as brainliest
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