Five inductors are connected in series. The lowest value is 8 µH. If the value of each inductor is twice that of the preceding one, and if the inductors are connected in order of ascending values, the total inductance is
A. 8 H
B. 32 µH
C. 64 µH
D. 248 µH
Answer: Option D
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Related Questions on Electrical Inductors
The winding resistance of a coil can be increased by
A. Increasing the number of turns
B. Using a thinner wire
C. Changing the core material
D. Increasing the number of turns or using thinner wire
A. 1 mA
B. 10 mA
C. 100 mA
D. 1 A
8 16 32 64 128
Inductance in series=8+16+32+64+128=248 microhenry
how????