JEE Main 2023 (Online) 15th April Morning Shift | Current Electricity Question 51 | Physics | JEE Main - ExamSIDE.com

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1

JEE Main 2023 (Online) 15th April Morning Shift

MCQ (Single Correct Answer)

+4

-1

Given below are two statements:

Statement I : The equivalent resistance of resistors in a series combination is smaller than least resistance used in the combination.

Statement II : The resistivity of the material is independent of temperature.

In the light of the above statements, choose the correct answer from the options given below :

A

Statement I is true but Statement II is false

B

Both Statement I and Statement II are true

C

Both Statement I and Statement II are false

D

Statement I is false but Statement II is true

2

JEE Main 2023 (Online) 13th April Morning Shift

MCQ (Single Correct Answer)

+4

-1

Different combination of 3 resistors of equal resistance $$\mathrm{R}$$ are shown in the figures. The increasing order for power dissipation is:

JEE Main 2023 (Online) 13th April Morning Shift Physics - Current Electricity Question 69 English

A

$$\mathrm{P}_{\mathrm{B}}<\mathrm{P}_{\mathrm{C}}<\mathrm{P}_{\mathrm{D}}<\mathrm{P}_{\mathrm{A}}$$

B

$$\mathrm{P}_{\mathrm{C}}<\mathrm{P}_{\mathrm{B}}<\mathrm{P}_{\mathrm{A}}<\mathrm{P}_{\mathrm{D}}$$

C

$$\mathrm{P}_{\mathrm{C}}<\mathrm{P}_{\mathrm{D}}<\mathrm{P}_{\mathrm{A}}<\mathrm{P}_{\mathrm{B}}$$

D

$$\mathrm{P}_{\mathrm{A}}<\mathrm{P}_{\mathrm{B}}<\mathrm{P}_{\mathrm{C}}<\mathrm{P}_{\mathrm{D}}$$

3

JEE Main 2023 (Online) 12th April Morning Shift

MCQ (Single Correct Answer)

+4

-1

A wire of resistance $$160 ~\Omega$$ is melted and drawn in a wire of one-fourth of its length. The new resistance of the wire will be

A

$$640 ~\Omega$$

B

$$40 ~\Omega$$

C

$$16 ~\Omega$$

D

$$10 ~\Omega$$

4

JEE Main 2023 (Online) 11th April Evening Shift

MCQ (Single Correct Answer)

+4

-1

JEE Main 2023 (Online) 11th April Evening Shift Physics - Current Electricity Question 64 English

The current flowing through R$$_2$$ is :

A

$$\frac{1}{2} \mathrm{~A}$$

B

$$\frac{1}{3} \mathrm{~A}$$

C

$$\frac{1}{4} \mathrm{~A}$$

D

$$\frac{2}{3} \mathrm{~A}$$

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