Physics
A wire carrying current is

Charged with a type depending upon current strength
Neutral
Negatively charged
Positively charged

ANSWER DOWNLOAD EXAMIANS APP

Physics
Why are we able to hear short wave broadcasts better than long wave broadcasts ?

Short wave broadcasts are made by nearby radio stations.
Short waves are more energetic than long waves.
By convention, short waves are meant for long distances, whereas long waves are reserved for short distances.
Short waves are unaffected by atmospheric disturbances.

ANSWER DOWNLOAD EXAMIANS APP