Three resistances of equal values are arranged in four different configurations as shown below. Power dissipation in the increasing order is
1
2
3
4
Official Solution
Correct Option:
(1)
For figure I, Total resistance I power
For figure II, Resistance II power
For figure III, Total resistance III power
For figure IV, Total resistance IV power
02
PYQ 2012
easy
physicsID: ap-ecet-
Four resistors and form a Wheatstones bridge. The bridge is balanced, when . If and are interchanged, the bridge balances for . The value of is
1
2
3
4
Official Solution
Correct Option:
(3)
Balancing condition of bridge balance
03
PYQ 2014
easy
physicsID: ap-ecet-
Wires and have resistivities and , and have lengths and . If the diameter of the wire is twice that of and the two wires have same resistance, then is
1
2
2
1
3
4
Official Solution
Correct Option:
(1)
The given,
Let,
According to formula,
About Current Electricity - AP-ECET
Current Electricity is a vital chapter for AP-ECET 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.
