GUJCET SERIES Physics
Alternating Current
7 previous year questions.
Volume: 7 Ques
Yield: Medium
High-Yield Trend
3
2026 3
2025 1
2007 Chapter Questions 7 MCQs
01
PYQ 2007
medium
physics ID: gujcet-2
Resonance frequency of L-C-R series AC circuit is . Now the capacitance is made 4 times, then the new resonance frequency will become
1
2
2
3
4
02
PYQ 2025
medium
physics ID: gujcet-2
In an AC circuit, the EMF is 6 V. What will be the value of the current?
1
2
3
4
03
PYQ 2025
medium
physics ID: gujcet-2
In an LCR circuit, the current is calculated to be 141.4% of the initial value. What is the resonance condition for this circuit?
1
141.4%
2
50%
3
70.7%
4
22.8%
04
PYQ 2025
medium
physics ID: gujcet-2
If a coil is connected to an AC circuit, what will be the phase difference between the voltage and current in the circuit?
1
LR series resonance
2
LCR series resonance
3
CR series resonance
4
LCR parallel resonance
05
PYQ 2026
medium
physics ID: gujcet-2
In an ideal step up transformer, the number of turns in primary coil and secondary coil are 100 and 200 respectively. If output current is found to be 5A, then input current will be ______.
1
2.5 A
2
100 A
3
5.0 A
4
10 A
06
PYQ 2026
medium
physics ID: gujcet-2
A charged 30 F capacitor is connected to a 27 mH inductor. What is the angular frequency of free oscillations of the circuit?
1
11 rad/s
2
1100 rad/s
3
110 rad/s
4
11000 rad/s
07
PYQ 2026
medium
physics ID: gujcet-2
A 15.0 F capacitor is connected to a 220 V, 50 Hz source. Then capacitive reactance of the circuit is ______ .
1
2.12
2
212
3
21.2
4
2120
About Alternating Current - GUJCET
Alternating Current is a vital chapter for GUJCET 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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