Magnetism and Electromagnetism The direction of a magnetic field within a magnet is front to back from north to south back to front from south to north front to back from north to south back to front from south to north ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Fleming's left hand rule is used to find Direction of magnetic field due to current carrying conductor Polarity of a magnetic pole Direction of flux in a solenoid Direction of force on a current carrying conductor in a magnetic field Direction of magnetic field due to current carrying conductor Polarity of a magnetic pole Direction of flux in a solenoid Direction of force on a current carrying conductor in a magnetic field ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism A certain amount of current flows through a ring shaped coil with fixed number of turns. How does the magnetic induction B varies inside the coil if an iron core is threaded into coil without dimensional change of coil? Remains same Decreases First increases and then decreases depending on the depth of iron in¬sertion Increases Remains same Decreases First increases and then decreases depending on the depth of iron in¬sertion Increases ANSWER DOWNLOAD EXAMIANS APP
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? 9.7 T 917 T 91 T 91.7 T 9.7 T 917 T 91 T 91.7 T ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism A magnetic field exists around Moving Charges Aluminium Copper Iron Moving Charges Aluminium Copper Iron ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Air gap has_______eluctance as compared to iron or steel path higher little zero lower higher little zero lower ANSWER DOWNLOAD EXAMIANS APP
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