Question
A cylindrical metal wire is reformed so that its length decreases by 20% with no change of volume. Its resistance decreases by:
More General science Common Questions
- Which is not shown by vitamins?
- Which of the following is not an abiotic component of our surrounding?
- What is the common name of calcium hydroxide?
- When heated with chloroform, secondary amines and tertiary amines
- Which property of iron metal is utilised in producing iron sheets required for making buckets?
- Which mirror is used by dentists to see a magnified image of a patient's teeth?
- Question 7
- The main function of centriole is:
- If the phase difference between two points is 120° for a wave with velocity of 360 m/ and frequency 500 Hz, then path difference between the two points is ...
- Addition of ethylene dibromide to petrol
Relevant for Exams:
Hey! Ask a query
Please enter email id
The email must be a valid email address.
Please enter Mobile Number
Please enter valid Mobile Number
Please enter your Doubt