Find the resistivity of a conductor in which a current density is 
and electric field of 15Vm-1 is applied on it.
Asked by Topperlearning User | 4th Jun, 2014, 01:23: PM
Expert Answer:
Let ‘l’ and ‘A’ be the length and area of cross-section of the conductor respectively.
Current density, 
Electric field, 
= 15 V m-1
= 15 V m-1Now, resistivity, 
Answered by | 4th Jun, 2014, 03:23: PM
Related Videos
- What is ohm's law in vector form?
- What kind of charges constitutes the electric current?
- Why solid conductors conduct electricity when placed in an electric field?
- Electric current has both magnitude and direction but it is not a vector quantity. Why?
- What is conventional current?
- What will be the resistivity of a wire if it is stretched to double of its original length without loss of mass?
- Two wires of equal lengths, one of copper and other nickel have the same resistance. Which wire is thicker?
- What is the ratio of resistances of two conductors of same material having length l and 2l and radius r and r/2 respectively?
- Two wires A and B are of same material, have same area of cross-section and have their length in the ration 2: 1. What will be the ratio of current flowing through them if the same potential is applied across the length of each of them?
Kindly Sign up for a personalised experience
- Ask Study Doubts
- Sample Papers
- Past Year Papers
- Textbook Solutions
Sign Up
Verify mobile number
Enter the OTP sent to your number
Change