Multiple Choice Questions (MCQs) for NTSE SAT Physics: Emi
Access targeted multiple-choice questions for Emi designed to align with the latest NTSE academic syllabus for NTSE SAT Physics. These objective practice sets help students evaluate their conceptual understanding and improve exam readiness.
Practice Emi MCQs for NTSE SAT Physics
Access the complete set of multiple-choice questions for Emi below. This focused format allows students to isolate specific topics for thorough review and uninterrupted practice alongside official NTSE textbooks.
Question: A wire carrying a current of 5 A is placed perpendicular to a magnetic induction of 2T. The force on each centimeter of the wire is :
- a) 0.1 N
- b) 10 N
- c) 100 N
- d) 1 N
Answer: 0.1 N
Question: The frequency of alternating current (A.C.) in India is :
- a) 50 Hz
- b) 100 Hz
- c) 220 Hz
- d) 440 Hz
Answer: 50 Hz
Question: Induced electromotive force in a coil does not depend on :
- a) Number of turns in the coil
- b) Intensity of the magnetic field
- c) Relative speed between coil and the magnet
- d) Resistance of the coil
Answer: Resistance of the coil
Question: A transformer steps up an a.c. supply from 220 to 2200 V. If the secondary coil of the transformer has 2000 turns, the number of turns is its primary coil will be :
- a) 200
- b) 100
- c) 50
- d) 20
Answer: 200
Question: A step down transformer reduces 220V to 11V. The primary draws 5 A current and secondary supplies 90A. Efficiency of the transformer will be :
- a) 4.4%
- b) 20%
- c) 33%
- d) 90%
Answer: 90%
Question: A transformer is used :
- a) To transform electric energy into mechanical energy
- b) To obtain suitable dc voltage
- c) To transform as into dc
- d) To obtain suitable as voltage
Answer: To obtain suitable as voltage
Question: What is increased in a step down transformer ?
- a) Voltage
- b) Current
- c) Wattage
- d) None of these
Answer: Current
Question: In circular coil current is flowing in anticlockwise direction, then the direction of magnetic field produced at the center of coil, will be :
- a) In the plane of coil
- b) Perpendicular to the plane of coil
- c) In the direction of current
- d) Parallel to any diameter
Answer: Perpendicular to the plane of coil
Question: A current passes through a coil in the anticlockwise direction. The magnetic field at a point on the axis of the coil is :
- a) Parallel to the plane of the coil
- b) Perpendicular to the axis of the coil
- c) Along the axis towards the center of the coil
- d) Along the axis away from the center of the coil
Answer: Along the axis away from the center of the coil
Question: Current is induced in a coil by electromagnetic induction when :
- a) Only the coil moves in a magnetic field.
- b) Only the magnet moves towards the coil.
- c) Coil and the magnet move with respect to each other.
- d) None of the above
Answer: Coil and the magnet move with respect to each other.
Question: The transformer voltage induced in the secondary coil of a transformer is mainly due to :
- a) The iron core of the transformer
- b) The vibration of the primary coil
- c) A varying induced electric field
- d) A varying induced magnetic field
Answer: A varying induced magnetic field
Question: The frequency of alternating current (A.C.) in India is :
- a) 50 Hz
- b) 100 Hz
- c) 220 Hz
- d) 440 Hz
Answer: 50 Hz
Question: A wire carrying a current of 5 A is placed perpendicular to a magnetic induction of 2T. The force on each centimeter of the wire is :
- a) 0.1 N
- b) 10 N
- c) 100 N
- d) 1 N
Answer: 0.1 N
Question: What is increased in a step down transformer ?
- a) Voltage
- b) Current
- c) Wattage
- d) None of these
Answer: Current
Question: The transformer voltage induced in the secondary coil of a transformer is mainly due to :
- a) The iron core of the transformer
- b) The vibration of the primary coil
- c) A varying induced electric field
- d) A varying induced magnetic field
Answer: A varying induced magnetic field
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Emi Objective Questions & Solutions for NTSE SAT Physics
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FAQs
You can get most exhaustive NTSE SAT Physics Emi MCQs for free on StudiesToday.com. These MCQs for NTSE SAT Physics are updated for the 2026-27 academic session as per NTSE examination standards.
Yes, our NTSE SAT Physics Emi MCQs include the latest type of questions, such as Assertion-Reasoning and Case-based MCQs. 50% of the NTSE paper is now competency-based.
By solving our NTSE SAT Physics Emi MCQs, NTSE SAT students can improve their accuracy and speed which is important as objective questions provide a chance to secure 100% marks in the Physics.
Yes, Physics MCQs for NTSE SAT have answer key and brief explanations to help students understand logic behind the correct option as its important for 2026 competency-focused NTSE exams.
Yes, you can also access online interactive tests for NTSE SAT Physics Emi MCQs on StudiesToday.com as they provide instant answers and score to help you track your progress in Physics.