A LCR circuit is at resonance for a capacitor C, inductance L and resistance R. Now the value of resistance is halved keeping all other parameters the same. The current amplitude at resonance will now be:
- A.
halved
- B.
the same
- C.
zero
- D.
doubled
24 real questions from recent JEE Main papers, each tagged with its paper and shift, with step-by-step solutions by MyExamTrack.
| Section | Questions | Marks | Question types |
|---|---|---|---|
| Physics | 8 | 32 | Single correct |
| Chemistry | 8 | 32 | Single correct |
| Mathematics | 8 | 32 | Single correct |
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A LCR circuit is at resonance for a capacitor C, inductance L and resistance R. Now the value of resistance is halved keeping all other parameters the same. The current amplitude at resonance will now be:
halved
the same
zero
doubled
The correct increasing order of covalent bond length for C–H (A), C–O (B), C=O (C) and C≡N (D) is:
D < C < B < A
D < C < A < B
A < B < C < D
A < D < C < B
The remainder when is divided by 7 is:
1
2
5
6
Question palette, mark for review and section tabs like the actual JEE Main CBT.
60 minutes on the clock; the test submits itself when time is up.
Score, accuracy, section-wise performance and time spent per question.
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It has 24 questions across 3 sections (Physics: 8; Chemistry: 8; Mathematics: 8), worth 96 marks, with 60 minutes to finish.
Each correct answer earns 4 marks and each wrong answer costs 1. Unanswered questions score zero, so skip questions you can't narrow down.
Yes. The questions come from previous JEE Main papers, and each solution notes the paper and year it was asked in.
Yes. After submitting you get your score, accuracy, section-wise results and time per question, plus a question-by-question review with explanations. A PDF scorecard is emailed to you.