Magnetism and Electromagnetism Strength of an electromagnet can be increased by Increasing the number of turns Increasing current supply Increasing the cross-sectional area All of the listed here Increasing the number of turns Increasing current supply Increasing the cross-sectional area All of the listed here ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism In the left hand rule, forefinger always represents Voltage current direction of force on the conductor magnetic field Voltage current direction of force on the conductor magnetic field ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism A material which is slightly repelled by a magnetic field is known as ferromagnetic material conducting material paramagnetic material diamagnetic material ferromagnetic material conducting material paramagnetic material diamagnetic material ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Hysteresis loop in case of magnetically hard materials is more in shape as compared to magnetically soft materials. triangular None of the listed here circular rectangular triangular None of the listed here circular rectangular ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism A basic one-loop dc generator is rotated at 90 rev/s. How many times each second does the dc output voltage peak (reach maximum)? 90 180 270 360 90 180 270 360 ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Which of the following type of materials are not very important for engineering applications? Diamagnetic material Ferro magnetic material Paramagnetic material None of the listed here Diamagnetic material Ferro magnetic material Paramagnetic material None of the listed here ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS