JEE-ADVANCED SERIES Physics
Alternating Current
5 previous year questions.
Volume: 5 Ques
Yield: Medium
High-Yield Trend
1
2017 1
2014 1
2010 2
1999 Chapter Questions 5 MCQs
01
PYQ 1999
medium
physics ID: jee-adva
A coil of inductance 8.4 mH and resistance is connected to a 12 V battery. The current in the coil is 1A at approximately the time
1
500 s
2
20 s
3
35 ms
4
1 ms
02
PYQ 1999
medium
physics ID: jee-adva
A coil of inductance 8.4 mH and resistance is connected to a 12 V battery. The current in the coil is 1A at approximately the time
1
500 s
2
20 s
3
35 ms
4
1 ms
03
PYQ 2010
medium
physics ID: jee-adva
An AC voltage source of variable angular frequency to and fixed amplitude is connected in series with a capacitance and an electric bulb of resistance (inductance zero). When to is increased
1
the bulb glows dimmer
2
the bulb glows brighter
3
total impedance of the circuit is unchanged
4
total impedance of the circuit increases
04
PYQ 2014
medium
physics ID: jee-adva
At time , terminal in the circuit shown in the figure is connected to by a key and an alternating current , with and starts flowing in it with the initial direction shown in the figure. At , the key is switched from to . Now onwards only and are connected. total charge flows from the battery to charge the capacitor fully. If and the battery is ideal with emf of , identify the correct statement .
1
Magnitude of the maximum charge on the capacitor before is .
2
The current in the left part of the circuit just before is clockwise.
3
Immediately after is connected to , the current in is
4
05
PYQ 2017
medium
physics ID: jee-adva
In the circuit shown, $
1
The current will be in phase with the voltage if rad.
2
The frequency at which the current will be in phase with the voltage is independent of $
3
At the current flowing through the circuit becomes nearly zero
4
At rad. , the circuit behaves like a capacitor
About Alternating Current - JEE-ADVANCED
Alternating Current is a vital chapter for JEE-ADVANCED 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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