Magnetic Effects Of Current Question 11
Assertion : A direct current flows through a metallic rod, producing magnetic field only outside the rod. Reason : There is no flow of charge carriers inside the rod.
Options:
A) If both assertion and reason are true and the reason is the correct explanation of the assertion.
B) If both assertion and reason are true but reason is not the correct explanation of the assertion.
C) If assertion is true but reason is false.
D) If the assertion and reason are both false.
E) If assertion is false but reason is true.
Show Answer
Answer:
Correct Answer: D
Solution:
In the case of metallic rod, the charge carriers flow through the entire cross section. Therefore, the magnetic field exists both inside as well as outside. However, the magnetic field inside the rod will decrease as we move towards the axis.
BETA
