Magnetism and Electromagnetism What will be the magnetic potential difference across the air gap of 2 cm length in magnetic field of 200 AT/m? 16 AT 10 AT 4 AT 8 AT 16 AT 10 AT 4 AT 8 AT ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Core of an electromagnet should have Low coercivity High susceptibility Both low coercivity and high susceptibility None of the listed here Low coercivity High susceptibility Both low coercivity and high susceptibility None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The use of permanent magnets is. not made in Loud speakers Transformers Energy meters None of the listed here Loud speakers Transformers Energy meters None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Indicate which of the following material does not retain magnetism permanently. Soft iron None of the listed here Stainless steel Hardened steel Soft iron None of the listed here Stainless steel Hardened steel ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The initial permeability of an iron rod is The permeability almost in non-magnetised state The lowest permeability of the iron rod The permeability at the end of the iron rod The highest permeability of the iron rod The permeability almost in non-magnetised state The lowest permeability of the iron rod The permeability at the end of the iron rod The highest permeability of the iron rod ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The change of cross-sectional area of conductor in magnetic field will affect both of the listed here resistance of conductor reluctance of conductor None of these both of the listed here resistance of conductor reluctance of conductor None of these ANSWER DOWNLOAD EXAMIANS APP