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← Bihar Board Class 12 PYQ
Electric Charges and Fields
Bihar Board Class 12 · Physics · 53 past questions
Topic
Electric field and field lines
16
Electric charge and its properties
13
Charge densities, capacitance and constants
9
Electric flux and Gauss's law
8
Electric dipole
4
Electric potential and potential energy
3
Level
Easy
9
Moderate
0
Year
2026
0
2025
0
2024
1
2023
1
2022
2
2021
4
2019
1
2018
0
2017
0
9 of 53 ·
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Q12
2024 Set A
Unit of linear charge density is
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Q19
2023 Set F
S.I. unit of permittivity is
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Q30
2022 Set I
Surface density of charge is
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Q32
2022 Set I
The permittivity of free space is
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Q34
2021 Set A
The relative permittivity ($\epsilon_r$) of a medium is
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Q35
2021 Set A
Surface density of charge is equal to
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Q36
2021 Set A
The value of $\frac{1}{4\pi\epsilon_0}$ is
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Q39
2021 Set A
The value of $\epsilon_r$ in air is
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Q42
2019
Unit of surface charge density is
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