Free NEET Mock Tests for Current Electricity
Flow into NEET Exam Physics prep with free chapter-wise NEET mock tests for Current Electricity at Onlineneetcoaching.in! Master Ohm’s law, Kirchhoff’s laws, and Wheatstone bridge with India’s largest collection of free NEET mock tests—1500+ tests, unmatched online. NCERT-aligned, no signups—start now!
NEET Exam Current Electricity Syllabus: Power Up Your Prep
Current Electricity is a high-weightage Physics chapter in NEET Exam, contributing 3 questions (12 marks) to the 180-question exam. This NCERT Class 12 chapter covers circuits, resistance, and Kirchhoff’s laws, excluding dropped topics like Carbon resistors and Potentiometer. Onlineneetcoaching.in’s free chapter-wise NEET mock tests, drawn from our 25,000+ question bank, align perfectly with NEET Exam, focusing on Ohm’s law and Wheatstone bridge. Below is the updated syllabus to guide your preparation.
- Electric Current: Flow of charge, \( I = \frac{Q}{t} \).
- Drift Velocity and Mobility: \( v_d = \frac{I}{n e A} \), relation to current.
- Ohm’s Law: \( V = IR \), linear relationship.
- Electrical Resistance: \( R = \frac{\rho L}{A} \), factors affecting resistance.
- V-I Characteristics: Ohmic (linear) vs. non-ohmic (non-linear) conductors.
- Electrical Energy and Power: \( P = VI \), \( E = P t \).
- Electrical Resistivity and Conductivity: \( \rho = \frac{1}{\sigma} \).
- Series and Parallel Resistors: Series: \( R_{\text{eq}} = R_1 + R_2 \); Parallel: \( \frac{1}{R_{\text{eq}}} = \frac{1}{R_1} + \frac{1}{R_2} \).
- Temperature Dependence of Resistance: \( R_t = R_0 (1 + \alpha \Delta T) \).
- Internal Resistance, EMF, and Potential Difference: \( V = \mathcal{E} - Ir \).
- Cell Combinations: Series and parallel arrangements of cells.
- Kirchhoff’s Laws: Junction rule (\( \sum I = 0 \)), loop rule (\( \sum V = 0 \)).
- Wheatstone Bridge: Balanced condition, \( \frac{R_1}{R_2} = \frac{R_3}{R_4} \).
- Metre Bridge: Resistance measurement using slide wire.
Note: The NEET Exam syllabus for Current Electricity excludes Carbon resistors, their colour code, and Potentiometer applications, per NCERT Class 12 updates. Our chapter-wise NEET mock tests are tailored for exam success!
Top Study Tips for Current Electricity in NEET Exam
Current Electricity, with 3 questions (12 marks) in NEET Exam, is a scoring Physics chapter. Onlineneetcoaching.in’s free chapter-wise NEET mock tests, sourced from our 25,000+ question bank, tackle challenges like Kirchhoff’s laws and Wheatstone bridge, excluding dropped topics like Potentiometer. These 8 tips will help you master this chapter and boost your score.
- Apply Ohm’s Law: For \( V = 12 \, \text{V} \), \( R = 4 \, \Omega \), calculate \( I = \frac{V}{R} = 3 \, \text{A} \). Our mock tests drill these basics.
- Calculate Drift Velocity: For \( I = 2 \, \text{A} \), \( n = 8.5 \times 10^{28} \, \text{m}^{-3} \), \( e = 1.6 \times 10^{-19} \, \text{C} \), \( A = 2 \times 10^{-6} \, \text{m}^2 \), \( v_d = \frac{I}{n e A} \approx 7.35 \times 10^{-5} \, \text{m/s} \). Practice with our MCQs.
- Master Resistor Combinations: For series, \( R_{\text{eq}} = 2 + 3 = 5 \, \Omega \); parallel, \( \frac{1}{R_{\text{eq}}} = \frac{1}{2} + \frac{1}{3} \), \( R_{\text{eq}} = 1.2 \, \Omega \). Our tests cover complex circuits.
- Compute Power: For \( I = 2 \, \text{A} \), \( R = 5 \, \Omega \), \( P = I^2 R = 20 \, \text{W} \). NEET may ask, “Power in a bulb?” Our mock tests reinforce this.
- Apply Kirchhoff’s Laws: For a circuit with two loops, use junction rule (\( I_1 = I_2 + I_3 \)) and loop rule (\( V_1 - I_1 R_1 = 0 \)). Our tests include multi-loop problems.
- Solve Wheatstone Bridge: If \( R_1 = 2 \, \Omega \), \( R_2 = 4 \, \Omega \), \( R_3 = 6 \, \Omega \), find \( R_4 = \frac{R_2 R_3}{R_1} = 12 \, \Omega \). Practice balanced conditions in our tests.
- Use Metre Bridge: For a wire with \( l_1 = 40 \, \text{cm} \), \( l_2 = 60 \, \text{cm} \), \( R = 10 \, \Omega \), find \( X = R \frac{l_2}{l_1} = 15 \, \Omega \). Our mock tests cover setups.
- Time Your Practice: NEET allows ~1 minute per question. Solve “Find \( R_{\text{eq}} \)” (two \( 4 \, \Omega \) in parallel, \( R_{\text{eq}} = 2 \, \Omega \)) in under 60 seconds. Our mock tests build speed.
These tips, paired with Onlineneetcoaching.in’s free chapter-wise NEET mock tests, make Current Electricity a scoring opportunity. Practice consistently to excel in Physics!
Common Mistakes to Avoid in Current Electricity for NEET Exam
Avoiding common pitfalls in Current Electricity can secure your 12 marks in NEET Exam. Onlineneetcoaching.in’s free chapter-wise NEET mock tests help you identify and correct these errors, focusing on current syllabus topics. Here are 5 frequent mistakes and how to avoid them.
- Misapplying Ohm’s Law: Ignoring non-ohmic conductors. For non-linear V-I, Ohm’s law fails. Practice V-I characteristics in our mock tests.
- Errors in Resistor Combinations: Mixing series and parallel formulas. Parallel: \( \frac{1}{R_{\text{eq}}} = \sum \frac{1}{R_i} \). Our tests clarify setups.
- Misusing Kirchhoff’s Laws: Forgetting signs in loop rule. Use \( \sum V = 0 \), with correct polarities. Practice multi-loop circuits in our tests.
- Confusing EMF and Potential Difference: EMF (\( \mathcal{E} \)) includes internal resistance; \( V = \mathcal{E} - Ir \). Our MCQs highlight differences.
- Errors in Wheatstone Bridge: Assuming balance without checking \( \frac{R_1}{R_2} = \frac{R_3}{R_4} \). Practice balanced and unbalanced cases in our tests.
Correcting these mistakes with Onlineneetcoaching.in’s free chapter-wise NEET mock tests ensures precision in Current Electricity, maximizing your NEET Exam Physics score!
Current Electricity Mock Test FAQs
What’s in the NEET Exam Current Electricity syllabus?▶
Onlineneetcoaching.in’s free chapter-wise NEET mock tests cover electric current, Ohm’s law, Kirchhoff’s laws, and Wheatstone bridge, per NCERT Class 12, excluding Carbon resistors and Potentiometer.
How many questions come from Current Electricity in NEET?▶
NEET Exam includes 3 questions (12 marks), testing Ohm’s law and Kirchhoff’s laws. Our mock tests ensure you ace them!
What topics were dropped from Current Electricity for NEET Exam?▶
Carbon resistors, their colour code, and Potentiometer applications are excluded from NEET Exam. Our mock tests focus on current syllabus topics!
What is Ohm’s law?▶
Ohm’s law is \( V = IR \). Practice current and resistance calculations with our mock tests!
What are Kirchhoff’s laws?▶
Junction rule: \( \sum I = 0 \); loop rule: \( \sum V = 0 \). Our mock tests prepare you for circuit problems!
What is a Wheatstone bridge?▶
Wheatstone bridge balances when \( \frac{R_1}{R_2} = \frac{R_3}{R_4} \). Our mock tests clarify balanced conditions!
What is drift velocity?▶
Drift velocity is \( v_d = \frac{I}{n e A} \). Our mock tests cover its relation to current!
What is electrical power?▶
Electrical power is \( P = VI \). NEET tests power calculations. Our mock tests cover it!
What is a Metre bridge?▶
Metre bridge measures resistance using a slide wire. Our mock tests include practical setups!
Why choose Onlineneetcoaching.in’s Current Electricity mock tests?▶
Our free chapter-wise NEET mock tests for Current Electricity, from India’s largest collection of free NEET mock tests—1500+ tests, unmatched online—match NEET’s difficulty, align with NCERT, and offer instant feedback. Practice anytime, no signup!