Magnetism and Electromagnetism What is the magneto-motive force in a 75-turn coil of wire when there are 4 A of current through it? 300 AT 0.3 AT 3 AT 30 AT 300 AT 0.3 AT 3 AT 30 AT ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism What will be the magnetic potential difference across the air gap of 2 cm length in magnetic field of 200 AT/m? 8 AT 10 AT 4 AT 16 AT 8 AT 10 AT 4 AT 16 AT ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism How does the magnetic compass needle behave in a magnetic field? It assures a position which follows a line of magnetic flux It assures a position right angle to magnetic field It starts rotating None of the listed here It assures a position which follows a line of magnetic flux It assures a position right angle to magnetic field It starts rotating None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Fleming's left hand rule is used to find Polarity of a magnetic pole Direction of force on a current carrying conductor in a magnetic field Direction of magnetic field due to current carrying conductor Direction of flux in a solenoid Polarity of a magnetic pole Direction of force on a current carrying conductor in a magnetic field Direction of magnetic field due to current carrying conductor Direction of flux in a solenoid ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The two conductors of a transmission line carry equal current I in opposite directions. The force on each conductor is proportional to distance between the conductors proportional to 7 proportional to X inversely proportional to I proportional to distance between the conductors proportional to 7 proportional to X inversely proportional to I ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Magnetic moment is a pole strength vector quantity universal constant scalar quantity pole strength vector quantity universal constant scalar quantity ANSWER DOWNLOAD EXAMIANS APP
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