Physics - Error Question with Solution | TestHub
PhysicsErrorMiscellaneousMedium2 minQB
PhysicsMediumsingle choice
Which diagram shows the internal construction of coils wound in a resistance box or post-office box?
Options:
Answer:
D
Solution:
The resistance wire is doubled and wound non-inductively.
Adjacent parts carry currents in opposite directions.
Their magnetic fields largely cancel, reducing self-inductance.
Diagram D shows this arrangement.
Stream:JEESubject:PhysicsTopic:ErrorSubtopic:Miscellaneous
⏱ 2mℹ️ Source: QB
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