Ex. 57: A T.G. shows a deflection of 20° for a current of 0.5 A. Calculate the current needed to produce the deflection of 40°.
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![Ex. 57: A T.G. shows a deflection of 20° for a
current of 0.5 A. Calculate the current needed
to produce the deflection of 40°.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F83e2314b-228a-47a3-bce8-aa89c908df29%2Fbb41a294-1831-40b0-a52f-6e613543a0c1%2Fr0n8c6j_processed.jpeg&w=3840&q=75)
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