Magnetism and Electromagnetism What is the flux density when the flux is 5.5 Wb and the cross-sectional area is 6 × 10–3 m2? 917 T 9.7 T 91 T 91.7 T 917 T 9.7 T 91 T 91.7 T ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism In the left hand rule, forefinger always represents direction of force on the conductor magnetic field Voltage current direction of force on the conductor magnetic field Voltage current ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism A magnetic field exists around Aluminium Moving Charges Iron Copper Aluminium Moving Charges Iron Copper ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism What is the magneto-motive force (mmf) of a wire with 8 turns carrying three amperes of current? 2.4 At 240 At 24 At 2,400 At 2.4 At 240 At 24 At 2,400 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 16 mA 1.7 mA 120 mA 12 mA 16 mA 1.7 mA 120 mA 12 mA ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Which of the following materials are diamagnetic? Copper Silver and copper Iron Silver Copper Silver and copper Iron Silver ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS