Arrange the following in the order of their resistance.
 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 A > B > C > D 2 D > C > B > A 3 D > A > B > C 4 C > B > A > D
Subtopic:  Derivation of Ohm's Law |
54%
From NCERT
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 |
From NCERT
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 |
69%
From NCERT
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 $$(3 \times 10^{-2})^\circ \text{C}^{-1}$$
Subtopic:  Derivation of Ohm's Law |
67%
From NCERT
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
Subtopic:  Derivation of Ohm's Law |
62%
From NCERT
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 |
73%
From NCERT
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 |
79%
From NCERT
NEET - 2022
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The reciprocal of resistance is:
 1 reactance 2 mobility 3 conductivity 4 conductance
Subtopic:  Derivation of Ohm's Law |
79%
From NCERT
NEET - 2022
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Which of the following graph represents the variation of resistivity ($\rho$) with temperature ($$T$$) for copper?

 1 2 3 4
Subtopic:  Derivation of Ohm's Law |
62%
From NCERT
NEET - 2020
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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 ${A}_{1}/{A}_{2}$ is:

 1 $$1.5$$ 2 $$1$$ 3 $$0.8$$ 4 $$2$$
Subtopic:  Derivation of Ohm's Law |
82%
From NCERT
NEET - 2020
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