Multiple Choice
A series circuit contains a 14-V battery,a 3.3-Ω resistor,and a 3.8-mH inductor.If the switch to the battery is closed at t = 0,find the time required for the current in the circuit to reach 63% of its final value.
A) 1.2 ms
B) 13 ms
C) 0.87 ms
D) 16 ms
E) 0.08 ms
Correct Answer:

Verified
Correct Answer:
Verified
Q7: The unit of inductance,the henry,is equivalent to<br>A)V·s/A.<br>B)V/m.<br>C)J/C.<br>D)none
Q9: The self-inductance of a solenoid increases under
Q51: A 460-turn solenoid of length 30.0 cm
Q58: The function of the electric motor is
Q73: A rectangular loop (area = 0.30 m<sup>2</sup>)turns
Q75: The operation of an electric motor depends
Q76: A flat coil of wire consisting of
Q78: What is the self-inductance in a coil
Q79: A 500-turn circular coil with an area
Q82: If a bar magnet is falling through