- 1(current)
Q. No.A circuit contains an ammeter, a battery of \(30~\text{V}\), and a resistance \(40.8~\Omega\) all connected in series. If the ammeter has a coil of resistance \(480~\Omega\) and a shunt of \(20~\Omega\), then the reading in the ammeter will be:
1. \(0.5~\text{A}\)
2. \(0.02~\text{A}\)
3. \(2~\text{A}\)
4. \(1~\text{A}\)
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyIn an ammeter, \(0.2 \%\) of the main current passes through the galvanometer. If the resistance of the galvanometer is \(G,\) the resistance of the ammeter will be:
| 1. | \({1 \over 499}G\) | 2. | \({499 \over 500}G\) |
| 3. | \({1 \over 500}G\) | 4. | \({500 \over 499}G\) |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyA millivoltmeter of \(25~\text{mV}\) range is to be converted into an ammeter of \(25~\text{A}\) range. The value (in ohm) of the necessary shunt will be:
1. \(0.001\)
2. \(0.01\)
3. \(1\)
4. \(0.05\)
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology| 1. | \({G \over (S+G)}\) | 2. | \({S^2 \over (S+G)}\) |
| 3. | \({SG \over (S+G)}\) | 4. | \({G^2 \over (S+G)}\) |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology1. \(900~\Omega\)
2. \(1800~\Omega\)
3. \(500~\Omega\)
4. \(1000~\Omega\)
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology| 1. | Putting in parallel, a resistance of \(24~ \Omega\) |
| 2. | Putting in series, a resistance of \(15~ \Omega\) |
| 3. | Putting in series, a resistance of \(240~ \Omega\) |
| 4. | Putting in parallel, a resistance of \(15~ \Omega\) |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology1. \(1050~ \Omega\)
2. \(1550~ \Omega\)
3. \(2050~ \Omega\)
4. \(1500~ \Omega\)
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology- 1(current)
Q. No.
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