AP EAMCET List of Current Electricity Topics 2025

AP EAMCET List of Current Electricity Topics 2025 includes Electric Current,  Electric Current in Conductors,  Ohm’s Law,  Drift of Electrons and the Origin of Resistivity, Mobility,  Limitations of Ohm’s Law, Resistivity of Various Materials, Colour Code of Resistors, Temperature Dependence of Resistivity,  Electrical Energy, Power, Combination of Resistors, Series & Parallel, Cells, Emf, Internal Resistance,  Cells in Series and in Parallel,  Kirchoff’s Law, etc. Current Electricity is one of the significant chapters in the AP EAMCET Physics syllabus 2025. Aspirants of the AP EAMCET 2025 , should master all the topics included in Current Electricity to obtain a good score in the Physics section. The expected weightage of this topic is 4 % of the total Physics section.

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Latest Update: AP EAMCET 2025 Application Form has been released. Jawaharlal Nehru Technological University, Kakinada has activated the registration link for the AP EAMCET 2025 exam at cets.apsche.ap.gov.in. The last date to submit the application form without the late fee is  April 24, 2025. AP EAPCET 2025 Agriculture & Pharmacy exam will be held on May 19 and 20, 2025 and the AP EAMCET 2025 Engineering exam will be conducted from May 21 to 27, 2025.

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List of AP EAMCET Current Electricity Topics 2025

The topics included in the AP EAMCET 2025 Current Electricity chapter have been provided below.

• Electric Current
• Electric Current in Conductors
• Ohm’s Law
• Drift of Electrons and the Origin of Resistivity
• Mobility
• Limitations of Ohm’s Law
• Resistivity of Various Materials
• Colour Code of Resistors
• Temperature Dependence of Resistivity
• Electrical Energy
• Power
• Combination of Resistors
• Series & Parallel
• Cells
• Emf
• Internal Resistance
• Cells in Series and in Parallel
• Kirchoff’s Law
• Wheatstone Bridge
• Meter Bridge
• Potentiometer

Also Read: AP EAMCET 2025 Exam Pattern

Important  Topics of AP EAMCET 2025 Current Electricity

The AP EAMCET aspirants can have a look at the important concepts in the Current Electricity chapter for the exam.

1. Kirchoff’s Law
2. Wheatstone Bridge/metre Bridge
3. Ohm’s Law
4. Temperature Dependence of Resistivity
5. Electric Current

Also Read: AP EAMCET 2025 Syllabus

Numerical-Based Questions of Current Electricity

Here are some numerical questions from the Current Electricity chapter that aspirants can check.

1. The variation of current (i) with a potential difference (v) for a metallic conductor is shown in the graph. The slope of the graph will be more if

• Wire of half-length is used
• Wire of double the area of the cross-section is used
• The experiment is performed at a higher temperature
• The resistance of the wire is 4Ω
• None of the above

Correct Answer: C

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2. I-v graph for a metal at temperatures t1, t2, and t3 are as shown. The highest temperature is

• T1
• T2
• T3
• All are equal
• None of the above

Correct Answer: A

Also Read: AP EAMCET Previous Year Papers

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3. In a potentiometer of ten wires, the balance point is obtained on the sixth wire. To shift the balance point to the eighth wire, we should

• Increase resistance in the primary circuit
• Decrease resistance in the primary circuit
• Decrease resistance in series with the cell whose emf has to be measured
• Increase resistance in series with the cell whose emf has to be measured
• None of the above

Correct Answer: A

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4. If the emf of a source in the primary circuit of the potentiometer is increased three times, then the value of the potential gradient will be

• 9 times
• 6 times
• 3 times
• ⅔ times
• None of the above

Correct Answer: C

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5. The four resistances P, Q, R, and S of a wheat stone’s bridge are 4, 0, 20 and 200 Ω respectively. To balance the bridge

• (200/3) Ω to be connected in parallel to 200Ω
• (200/3) Ω to be connected in series to 200Ω
• 4Ω to be connected in series to 20 Ω
• (10/3) Ω to be connected in series with 10 Ω
• None of the above

Correct Answer: A

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6. A 10 m long potentiometer wire with a resistance 2 ohm per metre is connected to an accumulator. On doubling the radius of the wire, keeping its length same, the value of potential gradient will become

• Half
• Double
• One fourth
• Unchanged
• None of the above

Correct Answer: D

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