When both the inductance and resistance of a coil are doubled the valu – McqOptions

MCQOPTIONS

1.	When both the inductance and resistance of a coil are doubled the value of________________?
A.	time constant remains unchanged
B.	initial rate of rise of current is doubled
C.	final steady current is doubled
D.	time constant is halved
Answer» B. initial rate of rise of current is doubled

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