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Q.

Is it true that the device used to detect the presence of electric current is called a galvanometer?


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a

True

b

False  

answer is A.

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Detailed Solution

The above statement is true.
“A galvanometer is an electromechanical current measuring instrument.” It operates based on torque exerted on a coil that carries current inside a magnetic field. Deflection is a mechanical rotation derived from forces resulting from the current.
 
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