Soft iron is used to make electromagnets as it has
A) high coercivity and high retentivity
B) low coercitivity and low retentivity
C)high coercivity and low retentivity
D)low coercivity and high retentivity

A: Material used for making cooking utensils is the one having high specific heat and high conductivity. R: Low conductivity means high specific heat.

The high reactivity and low volatility of white phosphorous is due to:

High density and low volatility of H_2 SO_4 is due to

The hysteresis curve for a material is shown in the figure. Then for the material retentivity, coercivity and saturation magnetization respectively will be

The hysteresis curve for a material is shown in the figure. Then for the material retentivity, coercivity and saturation magnetization respectively will be

Compound X consists of molecules. Choose the letter corresponding to the correct answer from the choices given below: X is likely to have a : [A] low melting point and high boiling point. [B] high melting point and low boiling point. [C] low melting point and low boiling point. [D] high melting point and high boiling point.

The outpout A when all three inputs are first high and then low respectively, be

The body compensates low oxygen availability at high altitude by

Diffusion of a molecule from low concentration to the high concentration

Assertion : A step-up transformer changes a low voltage into a high voltage. Reason : This violate the law of conservation of energy.