Assertion: The earth's magnetic field does not affect the working of a moving coil galvanometer. Reason: Earth's magnetic field is very weak.
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
f assertion is true but reason is false.
D
If the assertion and r eason both are false
Text Solution
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The correct Answer is:
A
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Assertion : Earth's magnetic field does not affect the working of a moving coil galvanometer. Reason: The earth's magnetic field is quite weak as compared to magnetic field produced in the moving coil galvanometer.
Explain why earth's magnetic field does not affect the working of a moving coil galvanometer?
The earth's magnetic field is approximately
The earth's magnetic field is caused by the
In a moving coil galvanometer , a radial magnetic field is produced due to the
In moving coil galvanometer, the magnetic field used is
The strength of the earth's magnetic field is
The intensity of earth's magnetic field is of the order of
