Magnetism Question 13
Question: Assertion : The earth’s magnetic field does not affect the working of a moving coil galvanometer. Reason : Earth’s magnetic field is very weak.
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 both are false.
E) If assertion is false but reason is true.
Show Answer
Answer:
Correct Answer: A
Solution:
In a moving coil galvanometer, the coil is suspended in a very strong uniform magnetic field created by two magnetic pole pieces. The earth’s magnetic field is quite weak as compared to that field, therefore, it does not effect the working of magnetic field.
BETA
