If the direction of the curent in a straight wire is reve...
If the direction of the curent in a straight wire is reversed, the magnetic field
remains the same
becomes parallel to the wire
ceases to exist
is oppositely directed
Correct answer is D
No explanation has been provided for this answer.
Which of the following statements are NOT correct? ...
Which of the following readings cannot be determined with a meter rule? ...
If the temperature of a resistance wire is gradually increased, its resistance will ...
Identify the vector quantity from the following ...
Which of the following statements about a progressive mechanical wave is correct? ...