Magnetism and Electromagnetism When a solenoid is activated, the force that moves the plunger is a steady current varying voltage a permanent magnetic field an electromagnetic field a steady current varying voltage a permanent magnetic field an electromagnetic field ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism An electromagnetic field exists only when there is current voltage decreasing current an increasing current current voltage decreasing current an increasing current ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Temporary magnets are used in Motors Loud speakers Generators All of the listed here Motors Loud speakers Generators All of the listed here 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 X inversely proportional to I proportional to 7 proportional to distance between the conductors proportional to X inversely proportional to I proportional to 7 ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Fleming's left hand rule is used to find Direction of flux in a solenoid Polarity of a magnetic pole Direction of magnetic field due to current carrying conductor Direction of force on a current carrying conductor in a magnetic field Direction of flux in a solenoid Polarity of a magnetic pole Direction of magnetic field due to current carrying conductor Direction of force on a current carrying conductor in a magnetic field 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 12 mA 120 mA 1.7 mA 16 mA 12 mA 120 mA 1.7 mA 16 mA ANSWER DOWNLOAD EXAMIANS APP
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