Electric field are often associated with magnetic field. The correct option is A.
The electric field is the region of space where a charge experiences electrostatic force of attraction or repulsion.
Electric field is related to the electric charge. Similarly, the magnetic material produces magnetic field. Any object which comes into this field is having induced electric current.
Electric fields and magnetic fields are both associated of the electromagnetic force. So, electric field are produced by electric charges and magnetic field are produced by the magnetic material.
Thus, the correct option is A.
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