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 240 N 2.4 N 24 N 0.24 N 240 N 2.4 N 24 N ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism If the steel disk in a crankshaft position sensor has stopped with the tab in the magnet's air gap, the induced voltage Increase Decrease Is zero None of the listed here Increase Decrease Is zero 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 flux in a solenoid Direction of magnetic field due to current carrying conductor Polarity of a magnetic pole Direction of force on a current carrying conductor in a magnetic field Direction of flux in a solenoid Direction of magnetic field due to current carrying conductor ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism A keeper is used to Provide a closed path for flux Change the direction of magnetic lines Amplify flux Restore lost flux Provide a closed path for flux Change the direction of magnetic lines Amplify flux Restore lost flux ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism When the current through the coil of an electromagnet reverses, the direction of the magnetic field reverses magnetic field collapses direction of the magnetic field remains unchanged magnetic field expands direction of the magnetic field reverses magnetic field collapses direction of the magnetic field remains unchanged magnetic field expands ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism In the left hand rule, forefinger always represents direction of force on the conductor magnetic field current Voltage direction of force on the conductor magnetic field current Voltage ANSWER DOWNLOAD EXAMIANS APP
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