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Study 25 Electrical Engineering MCQs with correct answers and explanations.
Correct answer
C. an increase in source voltage
Explanation
The correct answer is an increase in source voltage.
Correct answer
B. is less than 600 Ω
Explanation
The correct answer is is less than 600 Ω.
Correct answer
C. 6.25 mA
Explanation
The correct answer is 6.25 mA.
Correct answer
B. decreases
Explanation
The correct answer is decreases.
Correct answer
A. the remaining two will glow with the same brightness as before
Explanation
The correct answer is the remaining two will glow with the same brightness as before.
Correct answer
B. increases
Explanation
The correct answer is increases.
Correct answer
B. R3 is open
Explanation
The correct answer is R3 is open.
Correct answer
C. 60 Ω
Explanation
The correct answer is 60 Ω.
Correct answer
D. less than 120 but greater than 100 Ω
Explanation
The correct answer is less than 120 but greater than 100 Ω.
Correct answer
C. 70 mA
Explanation
The correct answer is 70 mA.