1. | \(N\) is small | 2. | \(B\) is small |
3. | \(A\) is small | 4. | \(C\) is small |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyWhich among the following options needs to be decreased to increase the sensitivity of a moving coil galvanometer?
1. | the number of turns in the coil. | 2. | the area of the coil. |
3. | the magnetic field. | 4. | the couple per unit twist of the suspension. |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyPrefer Books for Question Practice? Get NEETprep's Unique MCQ Books with Online Audio/Video/Text Solutions via Telegram Bot
NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology1. | \(40~ \Omega\) | 2. | \(25~ \Omega\) |
3. | \(250~ \Omega\) | 4. | \(500~ \Omega\) |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyWhat happens when the number of turns in a galvanometer is doubled?
1. | voltage sensitivity becomes double. |
2. | current sensitivity becomes double. |
3. | voltage sensitivity becomes half. |
4. | current sensitivity remains the same. |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyPrefer Books for Question Practice? Get NEETprep's Unique MCQ Books with Online Audio/Video/Text Solutions via Telegram Bot
NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyA. | decreasing the number of turns. |
B. | increasing the magnetic field. |
C. | decreasing the area of the coil. |
D. | decreasing the torsional constant of the spring. |
1. | (B) and (C) only |
2. | (C) and (D) only |
3. | (A) and (C) only |
4. | (B) and (D) only |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology