A) core saturation B) heat generation C) flux saturation D) hysteresis loss Ans : (A)
A) hygroscopic substances B) colouring agents C) adhesives D) solvents. Ans : (C)
A) Nichrome B) Manganin C) German silver D) Constantan. Ans : (C)
A) Poisson’s ratio B) hardness C) elasticity D) Tensile strength. Ans : (B)
A) Manganin B) Monel metal C) Constantan D) Nichrome. Ans : (D)
A) substitutional solid solution B) interstitial compound C) intermediate phase D) none of the above. Ans : (A)
A) does not affect resistivity of an alloy B) reduces resistivity of an alloy C) increases resistivity of an alloy. Ans : (C)
A) Colour B) Appearance C) Strength D) Non-inflammability. Ans : (D)
A) same as that of annealed copper B) more than that of annealed copper C) phenolies D) less than that of annealed copper. Ans : (C)
A) semi-conductors B) resistors C) insulators D) conductors. Ans : (A)