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Electronic Principles

Electronic Principles
The equivalent of 1 micro A is:

one-millionth of an ampere
None of these
10000A
1000 A
one million amperes

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Electronic Principles
A resistor has a rated value of 100 ohm and a tolerance of 10%. What is its minimum and maximum allowable resistance value?

90 Ohm - 110 ohm
99 Ohm - 102 ohm
98 Ohm - 100.1 ohm
None of these
90 Ohm - 101 ohm

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

None of these
7200 A
0.083333333333333
0.5A
180 A

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Electronic Principles
A device that converts thermal energy to electrical energy is called a:

thermocouple
solar cell
chemical cell
piezoelectric devices
None of these

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Electronic Principles
A step-down transformer has turns ration of 5:1. If the primary voltage is 120 Vrms, what is the secondary voltage?

12 V
18 V
24 V
None of these
30 V

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Electronic Principles
At cut off, the Q point is at

infinity
middle of the load line
upper end of the load line
lower end of the load line
None of these

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