How well do you understand the design, building and maintenance of electrical control systems, machinery and equipment? Test your knowledge and prepare for your exams with these Electrical Engineering questions and answers.
A material that does not allow current under normal conditions is a(n)
insulator
conductor
semi-conductor
valence
Correct answer is A
No explanation has been provided for this answer.
The colored bands for a 4,700 ohm resistor with a ten percent tolerance are
yellow, violet, red, gold
yellow, violet, orange, gold
yellow, violet, red, silver
orange, violet, red, silver
Correct answer is C
No explanation has been provided for this answer.
When the current is 2.5 A, how many coulombs pass a point in 0.2 s?
12.5 C
1.25 C
0.5 C
5 C
Correct answer is C
No explanation has been provided for this answer.
Eight-tenths coulomb passes a point in 4 s. The current in amperes is
1.6 A
16 A
2 A
0.2 A
Correct answer is D
No explanation has been provided for this answer.
A two-terminal variable resistor is known as a
potentiometer
thermistor
rheostat
wiper
Correct answer is C
No explanation has been provided for this answer.
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