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JEE Mains · Physics · STD 12 - Moving charges and magnetism
  • JEE Mains 2013
  • Easy
  • MCQ

This questions has Statement \(I\) and Statement \(II\) Of the four choices given after the Statements, choose the one that best describes into two Statements.
Statement\(-I\) : Higher the range, greater is the resistance of ameter.
Statement\(-II\) : To increase the range of ammeter, additional shunt needs to be used across it.

Pick an option to check your answer.
Verified Solution

Answer & Solution

Correct Answer

(D) Statement-\(I\) is false, Statement-\(II\) is true.

Step-by-step Solution

Detailed explanation

Statements \(I\) is false and Statement \(II\) is true

For ammeter, shunt resistance, \(\mathrm{S}=\frac{\mathrm{IgG}}{\mathrm{I}-\mathrm{Ig}}\)

Therefore for \(I\) to increase, \(S\) should decrease, So additional \(S\) can be connected across it.

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