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 240 N 0.24 N 2.4 N 24 N 240 N 0.24 N 2.4 N 24 N ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism A coil of wire is placed in a changing magnetic field. If the number of turns in the coil is decreased, the voltage induced across the coil will Decreases None of the listed here Increases Remain same Decreases None of the listed here Increases Remain same ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Reciprocal of permeability is conductance Reluctivity Susceptibility Permeability conductance Reluctivity Susceptibility Permeability 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? 0.3 AT 30 AT 300 AT 3 AT 0.3 AT 30 AT 300 AT 3 AT ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The voltage induced across a certain coil is 200 mV. A 120 resistor is connected to the coil terminals. The induced current is 1.7 mA 120 mA 16 mA 12 mA 1.7 mA 120 mA 16 mA 12 mA ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism When the north poles of two bar magnets are brought close together, there will be no force a force of attraction a force of repulsion a downward force no force a force of attraction a force of repulsion a downward force ANSWER DOWNLOAD EXAMIANS APP
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