KCET Electromagnetic Induction and Alternating Currents Weightage 2025 holds 6 to 8 % of the Physics Section. Candidates can check the important topics from Electromagnetic Induction and Alternating Currents in this article.
KCET Electromagnetic Induction and Alternating Currents Weightage 2025 - KCET Electromagnetic Induction and Alternating Currents is one of the chapters which holds approximately 6-8 % of the weightage of the Physics section. Candidates can expect 4 to 6 questions from this topic, which is equivalent to 4 to 6 marks. To score the same, it is always suggested to emphasize solving conceptual questions and numerical problems, as well as theory-based questions.
According to the KCET syllabus 2025 , some of the important subtopics from KCET Electromagnetic Induction and Alternating Currents topics are Lenz’s Law, Eddy currents, Impedance and reactance and Resonance in AC circuits etc. In this article, we have discussed the KCET 2025 Electromagnetic Induction and Alternating Currents Weightage along with the important topics and some sample questions related to Electromagnetic Induction and Alternating Currents.
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Expected KCET Electromagnetic Induction and Alternating Currents Weightage 2025
In the KCET 2025 Physics section, the portion of Electromagnetic Induction and Alternating Currents generally make up a small but significant portion of the KCET 2025 exam. Based upon the KCET previous years' question patterns, the total number of questions from these topics generally falls within the following range:
- Electromagnetic Induction: 3–4% of the KCET Physics paper.
- Alternating Currents: 3–4% of the KCET Physics paper.
The approximate number of questions in the Electromagnetic Induction and Alternating Currents section is 2 to 3. In total, 4–6 questions can be expected from both Electromagnetic Induction and Alternating Currents together in the KCET Physics section.
The Electromagnetic Induction and Alternating Currents section represents about 6–8% of the overall Physics section, which includes 60 questions. These topics generally involve conceptual questions, theory-based questions, as well as numerical problems.
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Important Topics of KCET 2025 Electromagnetic Induction and Alternating Currents
Some of the important chapters of KCET 2025 Electromagnetic Induction and Alternating Currents have been listed below.
Electromagnetic Induction | Alternating Currents |
|---|---|
Faraday’s Law of Induction | AC circuits, resistance, inductance, and capacitance |
Lenz’s Law | Impedance and reactance |
Induced EMF and current | Phasor diagrams |
Self and mutual induction | Power in AC circuits, power factor |
Eddy currents | Resonance in AC circuits |
- | Transformers |
KCET Electromagnetic Induction and Alternating Currents Questions
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A conducting loop is placed in a uniform magnetic field. If the magnetic field is suddenly increased, the direction of the induced current in the loop will:
- (A) Be clockwise.
- (B) Be anti-clockwise.
- (C) Depends on the direction of the magnetic field.
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(D) No current will be induced.
Answer: (C) Depends on the direction of the magnetic field.
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Two coils are placed close to each other. The mutual inductance of the pair of coils depends on:
- (A) The rate of change of current in the primary coil.
- (B) The number of turns in both coils.
- (C) The relative position and orientation of the coils.
-
(D) All of the above.
Answer: (D) All of the above.
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A coil of inductance 5 H5 \, \text{H}5H carries a current which is changing at the rate of 2 A/s2 \, \text{A/s}2A/s. What is the induced EMF in the coil?
- (A) 2.5 V
- (B) 5 V
- (C) 10 V
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(D) 20 V
Answer: (C) 10 V
4. A transformer has 500 turns in the primary coil and 50 turns in the secondary coil. If the primary voltage is 220 V, what will be the secondary voltage?
- (A) 22 V
- (B) 44 V
- (C) 11 V
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(D) 110 V
Answer: (A) 22 V
5. In a series LCR circuit, resonance occurs when:
- (A) The inductive reactance is equal to the capacitive reactance.
- (B) The total impedance is infinite.
- (C) The power factor is zero.
-
(D) The current is minimum.
Answer: (A) The inductive reactance is equal to the capacitive reactance.
6. In an AC circuit, the current leads the voltage by 60∘60^\circ60∘. What is the power factor of the circuit?
- (A) 0.5
- (B) 0.707
- (C) 0.866
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(D) 1
Answer: (A) 0.5
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FAQs
The cutoff of KCET refers to the minimum marks required by candidates to qualify for the KCET exam. KEA KCET cutoff is released separately for the general merit and Hyderabad Karnataka region. The exam authority releases the KCET cutoff after each counselling round.
It is not mandatory to attempt the Biology paper in the KCET exam if you want to opt for Engineering. Biology marks are only considered for the Medical, Dental and Paramedical fields. However, if you want to pursue Biotechnology in Engineering, attempting Biology in the KCET exam is compulsory.
50% mark is the passing percentage for the general category candidates and 40% for the SC/ST/OBC category for the KCET exam.
As per the previous year exam analysis, the KCET 2025 exam might be of a moderate to difficult level. KCET questions will be based on the first and second-year PUC syllabus as determined by the Department of Pre-University Education of Karnataka State.
Candidates cannot skip Mathematics in the KCET exam. Mathematics is a mandatory subject in the KCET exam, and skipping it would disqualify candidates from the KCET examination.
Candidates looking to score good marks in the Karnataka CET exam are advised to solve the KCET previous year question papers and mock tests. Solving PYQs of KCET will enable candidates to get an idea about the KCET question paper pattern and the marking scheme.
NCERT best books are a good choice for candidates to start if they want to prepare for the KCET 2025 exam. Upon finishing the NCERT books, candidates can move ahead to the crucial KCET best books. Additionally, the KCET best books are another resource that candidates can use to study for the KCET exam.
The identical chapters and subjects from Classes 11 and 12 are covered by the questions in both KCET and JEE Main exams. However, in comparison to KCET, the questions in the JEE Main exam are more difficult.
In KCET Physics, chapters such as Gravitation, Motion in a Straight Line, Oscillations, and Thermodynamics each contribute approximately 7% to 8% of the exam paper.
Chapters with maximum weightage in KCET Physics are Gravitation, Motion in a Straight Line, Oscillations and Thermodynamics since they carry 7% to 8% weightage. Important chapters for KCET Maths comprise Integration, Vectors, Permutation and Combination, and 3-D Geometry which weigh around 6% to 7% in the KCET exam.
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