Friction depends on the following factors :
On what factors does the friction on an object depends in a fluid? [3 MARKS]
State three factors on which the heat produced by an electric current depends. How does it depend on these factors?
State three factors on which the resistance of a wire depends. Explain how does the resistance depend on the factors stated by you.
Name three factors on which the deviation produced by a prism depends and state how does it depend on the factors stated by you.