What is the total inductance assuming no mutual inductance? 0 mH 0.69 mH 12 mH 2

CuriousTab

CuriousTab

Home Aptitude

Discussion

Home ‣ Electronics ‣ Inductors Comments

Question
What is the total inductance assuming no mutual inductance?
Options
A. 0 mH
B. 0.69 mH
C. 12 mH
D. 24 mH

Correct Answer

0.69 mH

Inductors problems

Search Results

1. As current travels within a conductor:
Options
A. the magnetic field aids the current
B. a magnetic field is developed around it
C. the wire tries to point north
D. an electrostatic field opposes the current

4. Inductance is:
Options
A. directly proportional to the length of the coil
B. directly proportional to the number of turns on the coil
C. inversely proportional to the cross-sectional area of the coil
D. inversely proportional to the permeability

5. Which coil would be used as a step-up transformer primary if coil number 1 has 100 more turns than coil number 2?
Options
A. The coil windings must be the same.
B. coil 1
C. The coil ratio is too small.
D. coil 2

9. As a generator armature passes the 270 degree point, the induced voltage is:
Options
A. at maximum negative
B. between maximum negative and zero
C. at maximum positive
D. between zero and maximum positive

Comments

More in Electronics: