Advertisements
Advertisements
Question
Solve the following numerical problem.
A piece of wire is wound around a pencil 60 times. If the total width of all the turns is 4 cm, find the diameter of the wire.
Advertisements
Solution
Number of turns of wire = 60
Total width of turns of wire 4 cm
Diameter of the wire?
Diameter of the wire = Total width of turns of wire / Number of turns of wire
= `4/60`
= 0.066 cm
APPEARS IN
RELATED QUESTIONS
Select the correct alternative
The density of aluminium is 2.7 g cm-3 and of brass is 8.4 g cm-3. For the same mass, the volume of:
What is measurement? How is a measurement expressed?
Convert the following quantity as indicated:
0.2 cm = mm
Answer the following in short.
Which institution in the world maintains the guidelines for using the SI units correctly?
Answer the following in detail.
Explain in detail why there was a need to standardize units.
Tick the most appropriate answer.
Which of the following weighing devices has very high accuracy and sensitivity?
Answer the following in a word or two or in a sentence.
Write the formula for finding the average of a given set of observations.
Answer the following in detail.
Which is the most suitable unit for measuring the volume of air inside an inflated balloon?
Give a reason for the following.
Measuring units are standardized.
Define mass Mention its unit.
