Electric field (E) and current density (j) have a relation:

Physics · Class 12 · CBSE — Current Electricity

1. E \(\propto\) j^-1
2. E \(\propto\) j
3. E \(\propto \frac{1}{j^{2}}\)
4. E² \(\propto \frac{1}{j}\)

Answer

(B) E j

Sign up free on Edukali to view the step-by-step worked solution and practice thousands of similar questions.

Related practice questions

• Assertion (A): The current density ( J ) at a point in a conducting wire is in the direction of electric…
• A cell of emf (E) and internal resistance r is connected across a variable external resistance R. The graph…
• Dimension of resistivity (or specific resistance) is:
• The voltage of clouds is 4 10 6 V with respect to ground. In a lightning strike lasting 0.1 s, a charge of 4…
• When the terminals of a cell are connected to a conductor of resistance R, an electric current flows through…
• An electric bulb o f 500 watt at 100 volt is used in a circuit having a 200 V supply. Calculate the…
• A potential difference of 200 V is maintained across a conductor of resistance 100 n. The number of electrons…
• If a current of 1.5 ampere flows through a metallic wire for 3 hours, then how many electrons would flow…

More Current Electricity questions · Browse all practice questions