Magnetism and Electromagnetism Which of the following materials are diamagnetic? Copper Iron Silver and copper Silver Copper Iron Silver and copper Silver ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Indicate which of the following material does not retain magnetism permanently. Soft iron None of the listed here Stainless steel Hardened steel Soft iron None of the listed here Stainless steel Hardened steel ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism If a loop in a basic dc generator suddenly begins rotating at a faster speed, the induced voltage increases reverses polarity decreases remains unchanged increases reverses polarity decreases remains unchanged ANSWER DOWNLOAD EXAMIANS APP
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 The voltage induced across a certain coil is 200 mV. A 120 resistor is connected to the coil terminals. The induced current is 16 mA 12 mA 1.7 mA 120 mA 16 mA 12 mA 1.7 mA 120 mA ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The ability of a material to remain magnetized after removal of the magnetizing force is known as permeability hysteresis reluctance retentivity permeability hysteresis reluctance retentivity ANSWER DOWNLOAD EXAMIANS APP