Multiple Choice
A series LR circuit consists of a battery,resistor,inductor and a switch.When the switch is closed the circuit has a time constant of 8.0 s.If the resistance and inductance of the circuit are both doubled,what is the resulting time constant? 
A) 8.0 s
B) 16 s
C) 32 s
D) 4.0 s
E) 2.0 s
Correct Answer:

Verified
Correct Answer:
Verified
Related Questions
Q29: What is the magnetic energy density
Q30: A dc motor is connected to
Q31: A generator is designed to produce a
Q32: A horizontal desk surface measures 1.3
Q34: A 33 mH inductor has a current
Q37: An LR circuit is prepared for an
Q38: The maximum induced emf in a generator
Q39: A 20 turn coil of area 10
Q50: The current in a 0.40 H inductor
Q74: An ideal transformer has an input voltage