NEET Physics
Moving Coil Galvanometer
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Consistency: 20%
Weightage: 4 / 20 Yrs
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2007 Questions 4 MCQs
01
PYQ 2007
easy
physics ID: neet-200
The resistance of an ammeter is 13 Ω and its scale is graduated for a current up to 100 A. After an additional shunt has been connected to this ammeter, it becomes possible to measure currents up to 750 A by this ammeter. The value of shunt resistance is:
1. 20
2. 2
3. 0.2
4. 2 k
1
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2
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3
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4
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02
PYQ 2008
medium
physics ID: neet-200
A galvanometer of resistance is connected to a battery of along with a resistance of in series. A full-scale deflection of divisions is obtained in the galvanometer. In order to reduce its deflection to divisions, the resistance added in series should be:
1.
2.
3.
4.
1.
2.
3.
4.
1
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2
(2)
3
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4
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03
PYQ 2009
easy
physics ID: neet-200
A galvanometer having a coil resistance of shows full-scale deflection when a current of A passes through it. It can be converted into an ammeter to read currents up to A by:
| 1. | Putting in parallel, a resistance of |
| 2. | Putting in series, a resistance of |
| 3. | Putting in series, a resistance of |
| 4. | Putting in parallel, a resistance of |
1
(1)
2
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3
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4
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04
PYQ 2018
easy
physics ID: neet-201
The current sensitivity of a moving coil galvanometer is and its voltage sensitivity (angular deflection per unit voltage applied) is The resistance of the galvanometer is:
1.
2.
3.
4.
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2
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3
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4
(4)