MCQ in Magnetic/Electromagnet PrinciplesĬontinue Practice Exam Test Questions Part 12 of the SeriesĬhoose the letter of the best answer in each questions.ĥ51.MCQ in Magnetic and Electric Quantities / Units.MCQ in Magnetic Field and Magnetic Flux.MCQ in Ohm’s Law, Kirchhoff Law, Coulomb’s Law, etc.MCQ Topic Outline included in ECE Board Exam Syllabi If additional layers of wire are wound upon the same coil with the same current flowing through them, the static magnetic field strength would be increased. In Preparation for the ECE Board Exam make sure to expose yourself and familiarize in each and every questions compiled here taken from various sources including but not limited to past Board Exam Questions in Electronics Engineering field, Electronics Books, Journals and other Electronics References. The magnetic flux developed around the coil being proportional to the amount of current flowing in the coils windings as shown. The magnetic flux through some surface is proportional to the number of field lines passing through that surface. Reason : Induced emf always opposes the change in magnetic flux responsible for its production. The magnetic flux (often denoted or B) through a surface is the component of the magnetic field passing through that surface. Assertion : Lenz’s law violates the principle of conservation of energy. This is the Multiple Choice Questions Part 12 of the Series in Electricity and Magnetism Fundamentals as one of the Electronics Engineering topic. Reason : The presence of large magnetic flux through a coil maintain a current in the coil of the circuit is continuous. quadratic equation binomial theorem logarithms.Pre-board in Communications Engineering.
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