Magnetism and Electromagnetism The use of permanent magnets is. not made in None of the listed here Loud speakers Transformers Energy meters None of the listed here Loud speakers Transformers Energy meters ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism A 300 mm long conductor is carrying a current of 10 A and is situated at right angles to a magnetic field having a flux density of 0.8 T ; the force on the conductor will be 0.24 N 2.4 N 240 N 24 N 0.24 N 2.4 N 240 N 24 N 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 None of the listed here It starts rotating It assures a position which follows a line of magnetic flux It assures a position right angle to magnetic field None of the listed here It starts rotating ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Hysteresis loop in case of magnetically hard materials is more in shape as compared to magnetically soft materials. None of the listed here triangular circular rectangular None of the listed here triangular circular rectangular ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The unit of relative permeability is Hennry Its dimensionless None of the listed here Hennry/meter Hennry Its dimensionless None of the listed here Hennry/meter ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Which of the following is a ferromagnetic material? Nickel Aluminium Tungsten Copper Nickel Aluminium Tungsten Copper ANSWER DOWNLOAD EXAMIANS APP