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Electronic Principles

Electronic Principles
How much current flows through a 60-W light bulb that is operating at 120 V?

180 A
None of these
0.5A
7200 A
0.083333333333333

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Electronic Principles
A typical light switch in your home is a:

momentary push button switch
toggle switch
rotary switch
None of these
knife switch

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Electronic Principles
What is the phase shift between total current and voltage, if 100 ohm resistor connected in parallel with an inductor that has a reactance of 200W?

0 degree
None of these
26.6 degree
90 degree
180 degree

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Electronic Principles
A real voltage source has

A small internal resistance
None of these
A large internal resistance
Zero internal resistance
Infinite internal resistance

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Electronic Principles
A device that converts mechanical into electrical energy is?

chemical cell
thermocouple
solar cell
None of these
generator

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Electronic Principles
If a transistor operates at the middle of the load line, an increase in the current gain will move the Q point

down
None of these
up
off the load line
nowhere

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