NEET 2022 Phase 2 | Current Electricity Question 11 | Physics

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NEET 2022 Phase 2

MCQ (Single Correct Answer)

-1

The equivalent resistance of the infinite network given below is :

NEET 2022 Phase 2 Physics - Current Electricity Question 11 English

$$\left( {1 + \sqrt 5 } \right)\Omega $$

$$2\,\Omega $$

$$\left( {1 + \sqrt 2 } \right)\Omega $$

$$\left( {1 + \sqrt 3 } \right)\Omega $$

NEET 2022 Phase 2

MCQ (Single Correct Answer)

-1

The sliding contact C is at one fourth of the length of the potentiometer wire (AB) from A as shown in the circuit diagram. If the resistance of the wire AB is R₀, then the potential drop (V) across the resistor R is

NEET 2022 Phase 2 Physics - Current Electricity Question 9 English

$${{2{V_0}R} \over {2{R_0} + 3R}}$$

$${{4{V_0}R} \over {3{R_0} + 16R}}$$

$${{4{V_0}R} \over {3{R_0} + R}}$$

$${{2{V_0}R} \over {4{R_0} + R}}$$

NEET 2022 Phase 1

MCQ (Single Correct Answer)

-1

Two resistors of resistance, 100 $$\Omega$$ and 200 $$\Omega$$ are connected in parallel in an electrical circuit. The ratio of the thermal energy developed in 100 $$\Omega$$ to that in 200 $$\Omega$$ in a given time is

1 : 2

2 : 1

1 : 4

4 : 1

NEET 2022 Phase 1

MCQ (Single Correct Answer)

-1

A copper wire of length 10 m and radius $$\left( {{{{{10}^{ - 2}}} \over {\sqrt \pi }}} \right)$$ m has electrical resistance of 10 $$\Omega$$. The current density in the wire for an electric field strength of 10 (V/m) is

10⁴ A/m²

10⁶ A/m²

10^$$-$$5 A/m²

10⁵ A/m²

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