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WorksheetsPOP QUIZ- INDUCTOR
Total questions: 10
Worksheet time: 2hrs 40mins
What is the total inductance when inductors are connected in series?
1/LTotal = 1 / L1 + 1 / L2 + 1 / L3
LTotal = L1 + L2 + L3
LTotal = ½ LI2
LTotal = L1 x L2 x L3
What is the unit of inductance in the International System of Units?
Henry
Ohm
Watt
Farad
The total inductance of three inductors (3H, 6H and 2H) connected in series is ___ Henrys.
9
12
11
10
What is the symbol for Inductance?
I
Z
XL
L
The most practical way to change the magnetic field of an inductor is to increase or decrease the current through the coil.
false
True
What is the basic structure of an inductor?
A flat metal sheet
A coil of wire
A solid block of iron
A series of capacitors
An inductor ____.
Stores energy in a magnetic field
Opposes any change in current
Provides a specific value of inductance
All of the above
Energy stored in an inductor is:
1/2 L2I2
1/2 LI2
1/2 CV2
1/3 LI2
There are two 10H inductors in parallel. Total inductance is...
15
20
5
10
Unit of energy of inductors
Farad
Joules
Ohm
Watt
