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WBJEE SERIES
Physics

Current Electricity

16 previous year questions.

Volume: 16 Ques
Yield: Medium

High-Yield Trend

1
2024
2
2018
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2015
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2
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Chapter Questions
16 MCQs

01
PYQ 2008
medium
physics ID: wbjee-20
A battery of e. m. f. and internal resistance is connected to an external resistance the condition for maximum power transfer is
1
2
3
4
02
PYQ 2009
easy
physics ID: wbjee-20
Two identical cells each of emf and internal resistance are connected in parallel with an external resistance . To get maximum power developed across , the value of is
1
R = r/2
2
R = r
3
R = r/3
4
R = 2r
03
PYQ 2009
medium
physics ID: wbjee-20
One of copper is drawn into a wire of mm diameter and a wire of mm diameter. The resistance of the two wires will be in the ratio
1
2
3
4
04
PYQ 2009
medium
physics ID: wbjee-20
A wire of resistance is drawn out so that its new length is times its original length.What is the resistance of the new wire?
1
2
3
4
05
PYQ 2010
medium
physics ID: wbjee-20
The reading of the ammeter in the following figure will be
1
0.8 A
2
0.6 A
3
0.4 A
4
0.2 A
06
PYQ 2010
medium
physics ID: wbjee-20
A wire of resistance is elongated -fold to make a new uniform wire. The resistance of new wire
1
2
3
4
07
PYQ 2010
medium
physics ID: wbjee-20
The reading of the ammeter in the following figure will be
1
0.8 A
2
0.6 A
3
0.4 A
4
0.2 A
08
PYQ 2011
easy
physics ID: wbjee-20
Two cells with the same e.m.f. and different internal resistances and are connected in series to an external resistance . The value of so that the potential difference across the first cell be zero is
1
2
3
4
09
PYQ 2011
medium
physics ID: wbjee-20
The charge on the capacitor of capacitance shown in the figure below will be
1
2
3
4
10
PYQ 2012
medium
physics ID: wbjee-20
A Wheatstone bridge has the resistances and in its four arms. What resistance joined in parallel to the resistance will bring it to the balanced condition?
1
2
3
4
11
PYQ 2012
medium
physics ID: wbjee-20
What current will flow through the resistor in the circuit shown in the figure?
1
3 mA
2
6 mA
3
12 mA
4
36 mA
12
PYQ 2014
medium
physics ID: wbjee-20
A circuit consists of three batteries of emf and and internal resistances and respectively which are connected in parallel as shown in the figure . The potential difference between points and is 
1
1.0 V
2
2.0 V
3
2.2 V
4
3.0 V
13
PYQ 2015
medium
physics ID: wbjee-20
A metal wire of circular cross-section has a resistance . The wire is now stretched without breaking so that its length is doubled and the density is assumed to remain the same. If the resistance of the wire now becomes then is
1
1:01
2
1:02
3
4:01
4
1:04
14
PYQ 2018
medium
physics ID: wbjee-20
Four resistors and are connected to form four sides of a square. The resistors can be connected in any order. What is the maximum possible equivalent resistance across the diagonal of the square ?
1
2
3
4
15
PYQ 2018
medium
physics ID: wbjee-20
What will be current through the resistor in the given circuit a long time after the switch �K� is made on ?
1
Zero
2
100 mA
3
10 mA
4
1 mA
16
PYQ 2024
hard
physics ID: wbjee-20

Consider a circuit where a cell of emf and internal resistance is connected across the terminal A and B as shown in the figure. The value of for which the power generated in the circuit is maximum, is given by:

1
2
3
4

About Current Electricity - WBJEE

Current Electricity is a vital chapter for WBJEE 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.

Frequently Asked Questions

Why focus on Current Electricity PYQs?

Analyzing PYQs for this specific chapter reveals the most frequently tested concepts and the typical complexity of questions, allowing you to tailor your study plan efficiently.

How to best use this analysis?

Review the topic breakdown to see which sub-topics within Current Electricity carry the most weight. Then, tackle the questions iteratively to solidify your understanding.