WBJEE-JENPAS-UG SERIES Physics
Magnetic Field
3 previous year questions.
Volume: 3 Ques
Yield: Medium
High-Yield Trend
2
2023 1
2022 Chapter Questions 3 MCQs
01
PYQ 2022
medium
physics ID: wbjee-je
A wire in the form of a semi-circle rotates about the diameter of the circle with angular frequency o in a uniform magnetic field perpendicular to the diameter of the circle. Then mean electrical power generated is
1
proportional to w
2
proportional to w2
3
proportional to 1/ w
4
proportional to w
02
PYQ 2023
hard
physics ID: wbjee-je
Consider the two different situations X and Y of two concentric coils of N1 and N2 turns and radii R1 and R2 respectively as shown above. If the magnetic field at O in situation X is Bx and in situation Y is By then Bx−By is
1
2
3
4
03
PYQ 2023
easy
physics ID: wbjee-je
A convex lens of focal length 10 cm produces a five-times magnified real image of an object. What is the object distance ?
1
36 cm
2
8 cm
3
12 cm
4
10 cm
About Magnetic Field - WBJEE-JENPAS-UG
Magnetic Field is a vital chapter for WBJEE-JENPAS-UG aspirants. Mastering the concepts covered in this chapter is essential for securing a top rank.
By rigorously practicing the previous year questions associated with this chapter, you can identify high-yield topics, understand the examiner's perspective, and boost your confidence during the actual exam.
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