CUET-UG SERIES

Physics

Current Density

3 previous year questions.

Volume: 3 Ques

Yield: Medium

High-Yield Trend

3

2023

Chapter Questions
3 MCQs

01

PYQ 2023

medium

physics ID: cuet-ug-

A spherical conducting shell of inner radius r₁ and outer radius r₂ has a charge Q. A charge q is placed at the centre of the shell. The surface charge density on outer surface of the shell is:

1

2

3

4

02

PYQ 2023

medium

physics ID: cuet-ug-

Match List I with List II LIST I LIST II A . Conductance I . [ML 3 T -3 A -2] B . Current density II . [M -1 L -3 T 3 A 2] C . Specific resistance III . [M 0 L -2 T 0 A¹] D . Electrical conductivities IV . [M -1 L -2 T 3 A 2] Choose the correct answer from the options given below:

1

(A)-(II), (B)-(I), (C)-(IV), (D)-(III)

2

(A)-(I), (B)-(II), (C)-(III), (D)-(IV)

3

(A)-(III), (B)-(IV), (C)-(II), (D)-(I)

4

(A)-(IV), (B)-(III), (C)-(I), (D)-(II)

03

PYQ 2023

medium

physics ID: cuet-ug-

An infinite line charge produces an electric field of 9 \times 10 6 N/C at a distance of 20 cm. The linear charge density will be :

1

10 -3 C/m

2

10 -4 C/m

3

10 -2 C/m

4

10 -5 C/m