Sketch the cross section of soil and the label the various layers.

Draw a daigram of the human excretory system and label the various parts.

A toroidal solenoid with an air core has an average radius of 15 cm , area of cross-section 12 cm^(2) and 1200 turns . Ignoring the field variation across the cross-section of the toroid the self-inductance of the toroid .

Sketch the various types of vascular bundles.

Vertical cross section of a right circular cylinder is always a

A solenoid of length 1 m and 3 cm in diameter has five layers of winding of 850 turns each and carries a current of 5 A. What is the magnetic field thorugh a cross-sectional end of the solenoid of the solenoid at its centre.