- 1(current)
Q. No.A galvanometer \(G\) (having very small resistance), when connected with a resistance of \(10~\text k\Omega\) in series, can function as a voltmeter measuring a maximum voltage of \(20\) V. The current required to give a full scale deflection on the galvanometer is:
1. \(0.1\) mA
2. \(0.2\) mA
3. \(1\) mA
4. \(2\) mA
1. \(0.1\) mA
2. \(0.2\) mA
3. \(1\) mA
4. \(2\) mA
Subtopic: Moving Coil Galvanometer |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyA galvanometer of resistance \(50~\Omega\) is connected to a battery of \(3\) V along with a resistance of \(2950~\Omega\) in series. A full-scale deflection of \(30\) divisions is obtained in the galvanometer. In order to reduce its deflection to \(20\) divisions, the resistance added in series should be:
1. \(1050~ \Omega\)
2. \(1550~ \Omega\)
3. \(2050~ \Omega\)
4. \(1500~ \Omega\)
1. \(1050~ \Omega\)
2. \(1550~ \Omega\)
3. \(2050~ \Omega\)
4. \(1500~ \Omega\)
Subtopic: Moving Coil Galvanometer | Conversion to Ammeter & Voltmeter |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyResistance of a Galvanometer coil is \(8~\Omega\) and \(2~\Omega\) shunt resistance is connected with it. If main current is \(1\) A then the current flow through \(2~\Omega\) resistance will be:
1. \(0.2\) A
2. \(0.8\) A
3. \(0.1\) A
4. \(0.4\) A
Subtopic: Moving Coil Galvanometer |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology- 1(current)
Q. No.
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