Electronic Principles - Section 4 Multiple Questions and Answers.




31.Which one of the following kinds of materials has the highest permeability?
A. A diamagnetic material
B. A ferromagnetic material
C. A paramagnetic material
D. All of the above

32.Inductive reactance is measured in units of:
A. volts per second
B. amperes per second
C. Ohm
D. henrys

33.What is the difference between the kinds of charges for an electron and a proton?
A. An electron has a positive charge and a proton has no charge
B. An electron has a positive charge and a proton has a negative charge
C. An electron has a negative charge and a proton has a positive charge
D. An electron has a negative charge and a proton has no charge

34.An ideal voltage source has
A. Zero internal resistance
B. Infinite internal resistance
C. A load dependent voltage
D. A load-dependent current

35.A transistor has how many doped regions?
A. 1 region
B. 2 regions
C. 3 regions
D. 4 regions

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