
Answer & explanation
Correct answer: option 1
$\text{Potential difference will be developed across cube along Y axis } \xi = Blv = 0.1\times 6\times 0.02 = 12mV$

Correct answer: option 1
$\text{Potential difference will be developed across cube along Y axis } \xi = Blv = 0.1\times 6\times 0.02 = 12mV$