Magnetism and Electromagnetism Which of the following is the unit of magnetic flux density? Lumens None of the listed here Tesla Weber Lumens None of the listed here Tesla Weber ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism What is the mmf of a wire with 8 turns carrying three amperes of current? 0.24 AT 240 AT 2.4 AT 24 AT 0.24 AT 240 AT 2.4 AT 24 AT ANSWER DOWNLOAD EXAMIANS APP
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? 30 AT 3 AT 0.3 AT 300 AT 30 AT 3 AT 0.3 AT 300 AT ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism When a solenoid is activated, the force that moves the plunger is an electromagnetic field a permanent magnetic field varying voltage a steady current an electromagnetic field a permanent magnetic field varying voltage a steady current ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The uniform magnetic field is The field of a set of parallel conductors The field in which all lines of magnetic flux are parallel and equidistant The field of a single conductor None of the listed here The field of a set of parallel conductors The field in which all lines of magnetic flux are parallel and equidistant The field of a single conductor None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Two long parallel conductors carry 100 A. If the conductors are separated by 20 mm, the force per meter of length of each conductor will be 0.01 N 100 N 0.1 N 10 N 0.01 N 100 N 0.1 N 10 N ANSWER DOWNLOAD EXAMIANS APP