Physics - Current Electricity Question with Solution | TestHub
PhysicsCurrent ElectricityElectrical instrumentMedium3 minQB
PhysicsMediumstatement
Statement-1: The sensitivity of a moving coil galvanometer is increased by placing a suitable magnetic material as a core inside the coil. Statement-2: Soft iron has a high magnetic permeability and cannot be easily magnetized or demagnetized.
Options:
Answer:
C
Solution:
Statement (I) is correct.
Soft iron has a low carbon content and is easily magnetized and demagnetized with a small hysteresis loss; hence statement (II) is wrong.
Subject:PhysicsTopic:Current ElectricitySubtopic:Electrical instrument
⏱ 3mℹ️ Source: QB
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