In an LR circuit with a battery providing constant voltage, if we triple both resistance and inductance simultaneously, how will this affect the time constant (τ)?
A.
It will remain unchanged.
B.
It will decrease to one-third.
C.
It will increase by three times.
D.
It will increase by nine times.
Exam No：66929bbe4409a2411a5d061d Year：2024 Question No：APPhysicsCEM2024AP0071
Answer:
A
Knowledge points:
5.2 Electromagnetism: Inductance (Including LR circuits)
Solution:
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