(d) Infectious diseases can be prevented by
(i) Proper food
(ii)Medicines
(iii) Exercise
(iv) Immunisation
Answers
Answer:
magnetic field produced by current carrying solanoid is independent of its length and cross section areasmagnetic field produced by current carrying solanoid is independent of its length and cross section areasmagnetic field produced by current carrying solanoid is independent of its length and cross section areasmagnetic field produced by current carrying solanoid is independent of its length and cross section areasmagnetic field produced by current carrying solanoid is independent of its length and cross section areasmagnetic field produced by current carrying solanoid is independent of its length and cross section areasmagnetic field produced by current carrying solanoid is independent of its length and cross section areasmagnetic field produced by current carrying solanoid is independent of its length and cross section areasmagnetic field produced by current carrying solanoid is independent of its length and cross section areasmagnetic field produced by current carrying solanoid is independent of its length and cross section areas