Correct the following statements if required changing the unerlined portion.
Two lines of induction always intersect.

Correct the following statements if required changing the unerlined portion. mu_r = mumu_0

Correct the following statements if required changing the underlined portion. Like currents repel.

Correct the following statements if required changing the underlined portion. Unlike currents attract.

Correct the following statements if required changing the unerlined portion. Poles in a magnet are separable.

Correct the following statements if required changing the unerlined portion. Conduction precedes attraction.

Correct the following statements if required changing the unerlined portion . Poles of a magnet are exactly at the ends of the magnet.

Correct the following statements if required changing the underlined protion. Semiconductors behave as insulators at 0^@C

Correct the following statements if required changing the underlined portion. A charge moving at right angles to an external magnetic field experiences no force.

Correct the following statement if required changing the underlined portion. In vaccum the speed of light waves is c = 1/sqrtu_0epsilon_0

Correct the following statements if required changing the underlined protion. In extrinsic semi conductors the conduction character depends on temperature.