Q. No.Arrange the following in the order of their resistance.
Choose the correct answer from the options given below:
| A. | (\(0\) to \(1~\text A\)) ranged ammeter. |
| B. | (\(0\) to \(100~\text {mA}\)) ranged milli-ammeter. |
| C. | (\(0\) to \(500~\mu\text A\)) ranged micro-ammeter. |
| D. | (\(0\) to \(100~\text V\)) ranged voltmeter. |
Choose the correct answer from the options given below:
| 1. | \(\mathrm{A > B > C > D}\) | 2. | \(\mathrm{D > C > B > A}\) |
| 3. | \(\mathrm{D > A > B > C}\) | 4. | \(\mathrm{C > B > A > D}\) |
Subtopic: Derivation of Ohm's Law |
54%
Level 3: 35%-60%
NEET - 2024
Hints
In an electrical circuit, the voltage is measured as \({V}=(200\pm4)\) volts and the current is measured as \({I}=(20\pm0.2)~\text A.\) The value of the resistance is:
| 1. | \((10\pm4.2)~\Omega \) | 2. | \((10\pm0.3)~\Omega \) |
| 3. | \((10\pm0.1)~\Omega \) | 4. | \((10\pm0.8)~\Omega \) |
Subtopic: Derivation of Ohm's Law |
51%
Level 3: 35%-60%
NEET - 2024
Hints
The steady-state current in the circuit shown below is:
| 1. | \(0.67~\text A\) | 2. | \(1.5~\text A\) |
| 3. | \(2~\text A\) | 4. | \(1~\text A\) |
Subtopic: Derivation of Ohm's Law |
72%
Level 2: 60%+
NEET - 2024
Hints
The resistance of platinum wire at \(0^{\circ} \text{C}\) is \(2~ \Omega\) and \(6.8~ \Omega\) at \(80^{\circ}\text{C}\). The temperature coefficient of resistance of the wire is:
1. \(3\times 10^{-1}~^\circ \text{C}^{-1}\)
2. \(3 \times 10^{-4}~^\circ \text{C}^{-1}\)
3. \(3 \times 10^{-3}~^\circ \text{C}^{-1}\)
4. \(3 \times 10^{-2}~^\circ \text{C}^{-1}\)
1. \(3\times 10^{-1}~^\circ \text{C}^{-1}\)
2. \(3 \times 10^{-4}~^\circ \text{C}^{-1}\)
3. \(3 \times 10^{-3}~^\circ \text{C}^{-1}\)
4. \(3 \times 10^{-2}~^\circ \text{C}^{-1}\)
Subtopic: Derivation of Ohm's Law |
73%
Level 2: 60%+
NEET - 2023
Hints
On the basis of electrical conductivity, which one of the following material has the smallest resistivity?
1. Germanium
2. Silver
3. Glass
4. Silicon
1. Germanium
2. Silver
3. Glass
4. Silicon
Subtopic: Derivation of Ohm's Law |
65%
Level 2: 60%+
NEET - 2023
Hints
A certain wire \(A\) has resistance \(81~\Omega.\) The resistance of another wire \(B\) of the same material and equal length but of diameter thrice the diameter of \(A\) will be:
| 1. | \(81~\Omega\) | 2. | \(9~\Omega\) |
| 3. | \(729~\Omega\) | 4. | \(243~\Omega\) |
Subtopic: Derivation of Ohm's Law |
75%
Level 2: 60%+
NEET - 2023
Hints
The plot of current \(I~\text{(A)}\) flowing through a metallic conductor versus the applied voltage \(V~\text{(volt)}\) across the ends of a conductor is:
| 1. |  |
2. |  |
| 3. |  |
4. |  |
Subtopic: Derivation of Ohm's Law |
80%
Level 1: 80%+
NEET - 2022
Hints
Subtopic: Derivation of Ohm's Law |
81%
Level 1: 80%+
NEET - 2022
Hints
Which of the following graph represents the variation of resistivity () with temperature (\(T\)) for copper?
| 1. |  |
2. |  |
| 3. |  |
4. |  |
Subtopic: Derivation of Ohm's Law |
64%
Level 2: 60%+
NEET - 2020
Hints
Links
Two solid conductors are made up of the same material and have the same length and the same resistance. One of them has a circular cross-section of area \( 𝐴 _1\) and the other one has a square cross-section of area \(A_2.\) The ratio of \(𝐴 _1 / 𝐴 _2 \) is:
| 1. | \(1.5\) | 2. | \(1\) |
| 3. | \(0.8\) | 4. | \(2\) |
Subtopic: Derivation of Ohm's Law |
83%
Level 1: 80%+
NEET - 2020
Hints
Links
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