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← Bihar Board Class 12 PYQ
Current Electricity
Bihar Board Class 12 · Physics · 60 past questions
Topic
Heating effect, electric power and energy
4
Current, drift velocity and current density
3
Cells and potentiometer
2
Ohm's law, resistance and resistivity
2
Combination of resistors and colour code
1
Kirchhoff's laws and Wheatstone bridge
1
Galvanometer, ammeter and voltameter
0
Level
Easy
8
Moderate
1
Tough
0
Year
2026
0
2025
0
2024
1
2023
0
2022
0
2021
0
2019
0
2018
0
2017
0
1 of 60 ·
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Q21
2024 Set A
$n$ equal resistors are first connected in series and then in parallel. The ratio of maximum and minimum…
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