Q. If a circuit has a current of 3 A and a resistance of 4 Ω, what is the power consumed? (2020)
A.
12 W
B.
7 W
C.
3 W
D.
1 W
Show solution
Solution
Power (P) can be calculated using P = I² × R = (3 A)² × 4 Ω = 12 W.
Correct Answer:
A
— 12 W
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Q. If a circuit has a current of 5 A and a resistance of 10 ohms, what is the voltage across the circuit? (2019)
A.
15 V
B.
50 V
C.
5 V
D.
10 V
Show solution
Solution
Using Ohm's Law, V = I * R = 5 A * 10 Ω = 50 V.
Correct Answer:
B
— 50 V
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Q. If a circuit has a current of 5A and a resistance of 10Ω, what is the voltage across the resistor? (2022)
A.
10V
B.
20V
C.
30V
D.
50V
Show solution
Solution
Using Ohm's Law, V = I * R = 5A * 10Ω = 50V.
Correct Answer:
B
— 20V
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Q. If a circuit has a resistance of 12Ω and a current of 3A, what is the power consumed in the circuit? (2022)
A.
36W
B.
24W
C.
12W
D.
9W
Show solution
Solution
Power (P) can be calculated using the formula P = I^2 * R = (3A)^2 * 12Ω = 36W.
Correct Answer:
A
— 36W
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Q. If a circuit has a total power of 100W and a voltage of 50V, what is the current flowing through the circuit? (2023)
Show solution
Solution
Using the power formula P = VI, I = P/V = 100W/50V = 2A.
Correct Answer:
B
— 2A
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Q. If a circuit has a total resistance of 10 ohms and a current of 3 A flows through it, what is the voltage across the circuit? (2020)
A.
30 V
B.
10 V
C.
3 V
D.
0.3 V
Show solution
Solution
Using Ohm's law, V = I × R = 3 A × 10 Ω = 30 V.
Correct Answer:
A
— 30 V
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Q. If a circuit has a total resistance of 10Ω and a current of 3A, what is the voltage across the circuit? (2021)
A.
10V
B.
20V
C.
30V
D.
40V
Show solution
Solution
Using Ohm's law, V = I * R = 3A * 10Ω = 30V.
Correct Answer:
C
— 30V
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Q. If a circuit has a total resistance of 12Ω and a current of 2A, what is the total voltage in the circuit? (2023)
A.
12V
B.
24V
C.
36V
D.
48V
Show solution
Solution
Using Ohm's law, V = I * R = 2A * 12Ω = 24V.
Correct Answer:
B
— 24V
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Q. If a circuit has a total resistance of 12Ω and a current of 2A, what is the voltage across the circuit? (2020)
A.
12V
B.
24V
C.
6V
D.
18V
Show solution
Solution
Using Ohm's law, V = I * R = 2A * 12Ω = 24V.
Correct Answer:
B
— 24V
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Q. If a circuit has a total resistance of 12Ω and a current of 3A, what is the voltage across the circuit? (2023)
A.
24V
B.
36V
C.
12V
D.
9V
Show solution
Solution
Using Ohm's law, V = I * R = 3A * 12Ω = 36V.
Correct Answer:
B
— 36V
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Q. If a circuit has a total resistance of 8Ω and a current of 2A flows through it, what is the voltage across the circuit? (2020)
A.
4V
B.
8V
C.
12V
D.
16V
Show solution
Solution
Using Ohm's law, V = I * R = 2A * 8Ω = 16V.
Correct Answer:
B
— 8V
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Q. If a circuit has a total voltage of 24V and a total resistance of 6Ω, what is the total current flowing through the circuit? (2023)
Show solution
Solution
Using Ohm's law, I = V/R = 24V/6Ω = 4A.
Correct Answer:
B
— 4A
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Q. If a circuit has a total voltage of 24V and a total resistance of 6Ω, what is the current flowing through the circuit? (2023)
Show solution
Solution
Using Ohm's law, I = V/R = 24V/6Ω = 4A.
Correct Answer:
A
— 4A
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Q. If a circuit has a total voltage of 24V and a total resistance of 6Ω, what is the total current? (2020)
Show solution
Solution
Using Ohm's law, I = V/R = 24V/6Ω = 4A.
Correct Answer:
B
— 4A
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Q. If a circuit has a total voltage of 24V and a total resistance of 6Ω, what is the total current in the circuit? (2022)
Show solution
Solution
Using Ohm's Law, I = V/R = 24V / 6Ω = 4A.
Correct Answer:
B
— 4A
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Q. If a circuit has a total voltage of 24V and a total resistance of 8Ω, what is the total current? (2020)
Show solution
Solution
Using Ohm's law, I = V/R = 24V/8Ω = 3A.
Correct Answer:
C
— 4A
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Q. If a circuit has a total voltage of 24V and a total resistance of 8Ω, what is the total current flowing through the circuit? (2023)
Show solution
Solution
Using Ohm's law, I = V/R = 24V/8Ω = 3A.
Correct Answer:
C
— 4A
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Q. If a circuit has a total voltage of 50V and a total resistance of 10Ω, what is the total current flowing through the circuit? (2020)
A.
5A
B.
10A
C.
15A
D.
20A
Show solution
Solution
Using Ohm's law, I = V/R = 50V/10Ω = 5A.
Correct Answer:
A
— 5A
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Q. If a circuit has a voltage of 12 V and a resistance of 3 ohms, what is the current flowing through the circuit? (2022)
A.
4 A
B.
3 A
C.
2 A
D.
1 A
Show solution
Solution
Using Ohm's law (I = V/R), I = 12 V / 3 Ω = 4 A.
Correct Answer:
A
— 4 A
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Q. If a circuit has a voltage of 24V and a current of 3A, what is the resistance? (2022)
Show solution
Solution
Using Ohm's Law, R = V / I = 24V / 3A = 8Ω.
Correct Answer:
B
— 6Ω
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Q. If a circuit has a voltage of 24V and a current of 6A, what is the resistance? (2022)
Show solution
Solution
Using Ohm's Law, R = V/I = 24V / 6A = 4Ω.
Correct Answer:
D
— 8Ω
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Q. If a force of 10 N is applied to a mass of 2 kg, what will be the acceleration of the mass? (2019)
A.
2 m/s²
B.
5 m/s²
C.
10 m/s²
D.
20 m/s²
Show solution
Solution
Using F = ma, a = F/m = 10 N / 2 kg = 5 m/s².
Correct Answer:
B
— 5 m/s²
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Q. If a force of 10 N moves an object 5 m in the direction of the force, what is the work done? (2020)
A.
50 J
B.
10 J
C.
5 J
D.
25 J
Show solution
Solution
Work Done (W) = Force (F) * Distance (d) = 10 N * 5 m = 50 J
Correct Answer:
A
— 50 J
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Q. If a force of 15 N is applied to a 3 kg object, what is the object's acceleration? (2023)
A.
3 m/s²
B.
5 m/s²
C.
7 m/s²
D.
10 m/s²
Show solution
Solution
Using F = ma, a = F/m = 15 N / 3 kg = 5 m/s².
Correct Answer:
B
— 5 m/s²
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Q. If a force of 15 N is applied to move an object 3 m, what is the work done? (2023)
A.
45 J
B.
30 J
C.
60 J
D.
15 J
Show solution
Solution
Work Done (W) = Force * Distance = 15 N * 3 m = 45 J
Correct Answer:
A
— 45 J
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Q. If a force of 50 N is applied to a 25 kg object, what is the acceleration of the object? (2022)
A.
1 m/s²
B.
2 m/s²
C.
3 m/s²
D.
4 m/s²
Show solution
Solution
Using F = ma, a = F/m = 50 N / 25 kg = 2 m/s².
Correct Answer:
B
— 2 m/s²
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Q. If a force of 50 N is applied to a 25 kg object, what is the resulting acceleration? (2022)
A.
1 m/s²
B.
2 m/s²
C.
3 m/s²
D.
4 m/s²
Show solution
Solution
Acceleration = Force / Mass = 50 N / 25 kg = 2 m/s².
Correct Answer:
B
— 2 m/s²
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Q. If a force of 50 N is applied to a 25 kg object, what will be its acceleration? (2022)
A.
1 m/s²
B.
2 m/s²
C.
3 m/s²
D.
4 m/s²
Show solution
Solution
Acceleration = Force / Mass = 50 N / 25 kg = 2 m/s².
Correct Answer:
B
— 2 m/s²
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Q. If a machine does 200 J of work in 10 seconds, what is its power? (2022)
A.
20 W
B.
10 W
C.
30 W
D.
40 W
Show solution
Solution
Power (P) = Work / Time = 200 J / 10 s = 20 W
Correct Answer:
A
— 20 W
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Q. If a machine does 200 J of work in 5 seconds, what is its power? (2022)
A.
40 W
B.
50 W
C.
20 W
D.
30 W
Show solution
Solution
Power (P) = Work Done (W) / Time (t) = 200 J / 5 s = 40 W
Correct Answer:
B
— 50 W
Learn More →
Showing 181 to 210 of 956 (32 Pages)
Physics (NEET) MCQ & Objective Questions
Physics is a crucial subject for students preparing for NEET and other competitive exams. Mastering Physics (NEET) through MCQs and objective questions not only enhances conceptual clarity but also boosts your confidence for the exam. Regular practice of important questions helps in identifying weak areas and improves overall performance in exams.
What You Will Practise Here
Mechanics: Laws of Motion and their applications
Thermodynamics: Key principles and formulas
Electromagnetism: Concepts of electric fields and circuits
Optics: Reflection, refraction, and lens formulas
Waves: Sound waves and their properties
Modern Physics: Basics of quantum mechanics and atomic structure
Units and Measurements: Significant figures and dimensional analysis
Exam Relevance
Physics is a significant part of the syllabus for CBSE, State Boards, NEET, and JEE. In these exams, you can expect a variety of question patterns, including conceptual MCQs, numerical problems, and application-based questions. Understanding the core concepts and practicing Physics (NEET) MCQ questions will help you tackle these questions effectively and efficiently.
Common Mistakes Students Make
Misinterpreting the question stem, leading to incorrect answers.
Neglecting units and dimensions in numerical problems.
Overlooking the significance of diagrams in understanding concepts.
Confusing similar concepts, such as velocity and acceleration.
FAQs
Question: How can I improve my Physics (NEET) scores?Answer: Regular practice of MCQs and understanding the underlying concepts will significantly enhance your scores.
Question: Are there specific topics I should focus on for NEET Physics?Answer: Focus on Mechanics, Thermodynamics, and Electromagnetism, as these areas frequently appear in exams.
Start solving practice MCQs today to test your understanding and solidify your knowledge in Physics. Remember, consistent practice is the key to success in your exam preparation!