C-12-Q068mediumsingle_mcq
A long straight wire passes perpendicularly through a sheet of paper and current flows through it. Iron dust spread on the paper will arrange themselves —
A long straight wire passes perpendicularly through a sheet of paper and current flows through it. Iron dust spread on the paper will arrange themselves —
- aIn concentric circles around the wire
- bIn straight radial lines
- cRandomly
- dIn a square pattern