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JEE Mains · Physics · STD 12 - 8. Electromagnetic waves
A metal sample carrying a current along \(X-\) axis with density \(J_x\) is subjected to a magnetic field \(B_z\) ( along \(z-\) axis ). The electric field \(E_y\) developed along \(Y-\) axis is directly proportional io \(J_x\) as well as \(B_z\) . The constant of proportionality has \(SI\, unit\).
- A \(\frac{{{m^2}}}{A}\)
- B \(\frac{{{m^3}}}{As}\)
- C \(\frac{{{m^2}}}{As}\)
- D \(\frac{{As}}{{{m^3}}}\)
Answer & Solution
Correct Answer
(B) \(\frac{{{m^3}}}{As}\)
Step-by-step Solution
Detailed explanation
According to question \(\mathrm{E}_{\mathrm{y}} \propto \mathrm{J}_{\mathrm{x}} \mathrm{B}_{\mathrm{Z}}\) \(\therefore \) Constant of proportionality…
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