WBJEE-JENPAS-UG SERIES Physics
Resistance
4 previous year questions.
Volume: 4 Ques
Yield: Medium
High-Yield Trend
2
2023 2
2022 Chapter Questions 4 MCQs
01
PYQ 2022
medium
physics ID: wbjee-je
A network of resistors of resistance R1, and R2 extends off to infinity to the right as shown in the figure. The total resistance of the network between points A and B if R1 >> R2 is
1
R1
2
R2
3
2 R1
4
R1+R2
02
PYQ 2022
medium
physics ID: wbjee-je
Let a variable load resistance of R be connected in series with a source of EMF E volt and internal resistance r 2 (see figure). VAB represents the potential drop between A and B. Then
1
Power consumed by the load will be maximum when R = r
2
Power consumed by the load will be maximum when R = r (B) When R→ ∞, then VAB→ E
3
I vs.R graph is a straight line.
4
VAB increases with increasing
03
PYQ 2023
hard
physics ID: wbjee-je
A conducting circular loop of radius 'a' and resistance R is kept on a horizontal plane. A vertical time-varying magnetic field B = 2t is switched on at time t = 0. Then which of the following statement(s) is/are correct?
1
Induced emf varies linearly with time t.
2
Power generated in the coil at any time t is constant.
3
Total charge passing through any section of the coil between t = 0 and t = 2 is 4πα²/R.
4
All above statements are correct
04
PYQ 2023
easy
physics ID: wbjee-je
A particle is falling freely from height h to the ground. (Where h << R and R = Radius of the Earth). Which of the following figure most correctly depicts the acceleration ‘a’ of the particle as a function of time t (neglect air resistance)?
1
2
3
4
