- (A) Relative permeability
- (B) Magnetic field intensity
- (C) Flux density
- (D) Magnetic potential
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- (A) ferromagnetic material
- (B) diamagnetic material
- (C) paramagnetic material
- (D) conducting material
- (A) direction of magnetic field due to current carrying conductor
- (B) direction of flux in a solenoid
- (C) direction of force on a current carrying conductor in a magnetic field
- (D) polarity of a magnetic pole
- (A) it corrodes easily
- (B) it has high permeability
- (C) it has high specific gravity
- (D) it has low permeability
- (A) the magnetic lines of force will bend away from their usual paths in order to go away from the piece
- (B) the magnetic lines of force will bend away from their usual paths in order to pass through the piece
- (C) the magnetic field will not be affected
- (D) the iron piece will break
- (A) flux density
- (B) susceptibility
- (C) relative permeability
- (D) none of the above
- (A) large area oiB-H loop
- (B) high permeability and low hysteresis loss
- (C) high co-ercivity and high retentivity
- (D) high co-ercivity and low density
- (A) henry/metre
- (B) henry
- (C) henry/sq. m
- (D) it is dimensionless
- (A) Soft iron
- (B) Stainless steel
- (C) Hardened steel
- (D) None of the above
- (A) delayed trip action
- (B) instantaneous trip action
- (C) both of the above
- (D) none of the above
