1.

Two straight parallel wires, both carrying 10 ampere in the same direction attract each other with a force of\[1\times {{10}^{-3}}N\]. If both currents are doubled, the force of attraction will be [MP PET 1994]

A. \[1\times {{10}^{-3}}\,N\]
B. \[2\times {{10}^{-3}}\,N\]
C. Isogonic line 
D. \[0.25\times {{10}^{-3}}\,N\]
Answer» D. \[0.25\times {{10}^{-3}}\,N\]


Discussion

No Comment Found

Related MCQs