EE MCQ
EE MCQ
Home
Quiz
Contact Us
Inductors
An ohmmeter is connected across an inductor and the pointer indicates zero ohms. The inductor is
good
partly shorted
open
shorted
good
partly shorted
open
shorted
Answer
Download EE MCQ app
Related Question
Inductors
When the current through an inductor decreases, the amount of energy stored in the electromagnetic field
decreases
remains the same
increases
doubles
decreases
remains the same
increases
doubles
Answer
Download EE MCQ app
Inductors
Two inductors, L1 and L2, are in parallel. L1 has a value of 25 H and L2 a value of 50 H. The parallel combination is in series with L3, a 20 H coil. The entire combination is across an ac source of 60 Vrms at 300 kHz. The total rms current is
87 mA
870 mA
337 mA
87 A
87 mA
870 mA
337 mA
87 A
Answer
Download EE MCQ app
Inductors
A 5 mH, a 4.3 mH, and a 0.6 mH inductor are connected in parallel. The total inductance is
9.9 mH or greater than 5 mH
less than 0.6 mH
greater than 5 mH
9.9 mH
9.9 mH or greater than 5 mH
less than 0.6 mH
greater than 5 mH
9.9 mH
Answer
Download EE MCQ app
Inductors
When the current through an inductor is cut in half, the amount of energy stored in the electromagnetic field
quadruples
doubles
does not change
is quartered
quadruples
doubles
does not change
is quartered
Answer
Download EE MCQ app
Inductors
A switch, a 220 Ω resistor, and a 60 mH inductor are in series across a 20 V battery. What is the current through the inductor two time constants after the switch is closed?
78 mA
400 mA
91 mA
57 mA
78 mA
400 mA
91 mA
57 mA
Answer
Download EE MCQ app
Search
Login here
Google
Download our application
Android
Apple
Follow Us
Facebook
Telegram
Instagram