Physics - Magnetism Question with Solution | TestHub
PhysicsMagnetismMagnetic torque & energyEasy2 minPYQ_2008
PhysicsEasystatement
Statement 1 The sensitivity of a moving coil galvanometer is increased by placing a suitable magnetic material as a core inside the coil. and Statement 2 Soft iron has a high magnetic permeability and cannot be easily magnetized or demagnetized.
Options:
Answer:
C
Solution:
Using iron core, value of magnetic field increases. So, deflection increases for same current. Hence, sensitivity increases. Soft iron can be easily magnetized or demagnetized. correct option is (c).
Stream:JEE_ADVSubject:PhysicsTopic:MagnetismSubtopic:Magnetic torque & energy
⏱ 2mℹ️ Source: PYQ_2008
Doubts & Discussion
Loading discussions...