How many meters of a thin wire are required to design a solenoid of length 1m and L=1mH? Assume cross-sectional diameter is very small.
It is required to make a closed cylindrical tank of height 1 m and base diameter 140 cm from a metal sheet. How many square meters of the sheet are required for the same?
Assume [π=227]
It is required to make a closed circular cylindrical tank of height 1 m and base diameter 140 cm from a metal sheet. How many square meters of the sheet is required for the same?