BCECE SERIES Physics
Alternating Current
7 previous year questions.
Volume: 7 Ques
Yield: Medium
High-Yield Trend
2
2023 3
2010 1
2009 1
2003 Chapter Questions 7 MCQs
01
PYQ 2003
medium
physics ID: bcece-20
For a series LCR circuit, the phase difference between current and voltage at the condition of resonance will be :
1
2
3
zero
4
nothing can be said
02
PYQ 2009
easy
physics ID: bcece-20
An LCR series circuit, connected to a source , is at resonance. Then
1
the voltage across R is zero
2
the voltage across R equals applied voltage
3
the voltage across C is zero
4
the voltage across L equals applied voltage
03
PYQ 2010
easy
physics ID: bcece-20
A coil of resistance R and inductance L is connected to a battery of emf E volt. The final current in the coil is
1
2
3
4
04
PYQ 2010
medium
physics ID: bcece-20
A capacitor of suitable capacitance can be used in an circuit in place of the choke coil. A capacitor blocks DC and allows AC only.
1
Both assertion and reason are correct and reason is the correct explanation of assertion
2
Both assertion and reason are true but reason is not the correct explanation of assertion
3
Assertion is true but reason is false
4
Assertion is false but reason is true
05
PYQ 2010
medium
physics ID: bcece-20
In an AC circuit, V and i are given by V = 100 sin (100t) volt and i = 100 sin amp .The power dissipated in the circuit is
1
W
2
2.5 W
3
5 k W
4
10 W
06
PYQ 2023
easy
physics ID: bcece-20
What is the r.m.s value of an alternating current which when passed through a resistor produces heat, which is four times that produced by a current of 2A in the same resistor?
1
2A
2
A
3
4A
4
8A
07
PYQ 2023
medium
physics ID: bcece-20
An r.m.s voltage of 220 V is applied across a series circuit having a resistance of 100 ohm and an impedance of 22 ohm. the power consumed is:
1
100 W
2
1000 W
3
10 W
4
10000 W
About Alternating Current - BCECE
Alternating Current is a vital chapter for BCECE 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 Alternating Current 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 Alternating Current carry the most weight. Then, tackle the questions iteratively to solidify your understanding.