Q2 of 330 Page 26

If the length of a wire is doubled by taking more of wire, what happens to its resistance?

As the resistance of a wire is directly proportional to length of the conducting wire. If its length is doubled resistance also doubled.


More from this chapter

All 330 →
34

A current of 200 mA flows through a 4 KΩ resistor. What is the p.d. across the resistor?

 1

What happens to the resistance as the conductor is made thicker?

 3

On what factors does the resistance of a conductor depend?

 4

Name the material which is the best conductor of electricity.