MCQ Questions Electrical Engineering Parallel Circuits

Take a look at these MCQ Questions Electrical Engineering Parallel Circuits for engineering interview questions and our tips on how to answer them. If you’re applying for an engineering internship, graduate scheme or entry-level job, you’ll face at least one interview as part of an engineering employer’s recruitment process. You may be interviewed by one or more members of the HR team, senior members of the engineering team you’d be joining or a mixture of both. In this section we will study MCQ Questions Electrical Engineering Parallel Circuits.

As well as questions about your reasons for applying to the role and the employer in question, engineering recruiters will be assessing your potential in the areas that is crucial to any engineering role: technical expertise. Engineers may be asked to perform feats of fantastic technical prowess, but it will be as as part of a Justice League rather than as a solo engineering super hero.

The interviewer is almost as nervous as the candidate in most interviews. You might wonder if you look confident enough, if you will hire the right person, or if you are asking the right engineering interview questions. The last question is arguably the most crucial part to worry about when you’re interviewing candidates.

MCQ Questions Electrical Engineering Parallel Circuits - Set - 4

Question 1:

When an additional resistor is connected across an existing parallel circuit, the total resistance
A. remains the same
B. decreases by the value of the added resistor
C. increases by the value of the added resistor
D. decreases

Check Answer

Correct Answer – (D)

Question 2 :

The total resistance of a parallel circuit is 50 Ω. If the total current is 120 mA, the current through the 270 Ω that makes up part of the parallel circuit is approximately
A. 22 mA
B. 120 mA
C. 220 mA
D. 50 mA

Check Answer

Correct Answer – (A)

Question 3 :

The sum of the currents into a junction is equal to the sum of the currents out of that junction.

A. True
B. False

Check Answer

Correct Answer – (A)

Question 4 :

Five light bulbs are connected in parallel across 110 V. Each bulb is rated at 200 W. The current through each bulb is approximately

A. 2.2 A
B. 137 mA
C. 1.8 A
D. 9.09 A

Check Answer

Correct Answer – (C)

Question 5 :

The total resistance of a parallel circuit is 50 Ω. If the total current is 120 mA, the current through the 270 Ω resistor that makes up part of the parallel circuit is approximately

A. 22 mA
B. 120 mA
C. 220 mA
D. 50 mA

Check Answer

Correct Answer – (A)

MCQ Questions Electrical Engineering Parallel Circuits

Question 6:

The currents into a junction flow along two paths. One current is 4 A and the other is 3 A. The total current out of the junction is
A. 1 A
B. 7 A
C. unknown
D. the larger of the two

Check Answer

Correct Answer – (B)

Question 7:

An ammeter has an internal resistance of 50 Ω. The meter movement itself can handle up to 1 mA. If 10 mA is applied to the meter, the shunt resistor, RSH1, is approximately

A. 55 Ω
B. 5.5 Ω
C. 50 Ω
D. 9 Ω

Check Answer

Correct Answer – (B)

Question 8:

A set of Christmas tree lights is connected in parallel across a 110 V source. The filament of each light bulb is 1.8 k. The current through each bulb is approximately

A. 610 mA
B. 18 mA
C. 110 mA
D. 61 mA

Check Answer

Correct Answer – (D)

Question 9:

A set of Christmas tree lights is connected in parallel across a 110 V source. The filament of each light bulb is 1.8 kΩ. The current through each bulb is approximately

A. 610 mA
B. 18 mA
C. 110 mA
D. 61 mA

Check Answer

Correct Answer – (D)

Question 10:

Six resistors are in parallel. The two lowest-value resistors are both 1.2 kΩ. The total resistance

A. Is less than 6 kΩ
B. Is greater than 1.2 kΩ
C. Is less than 1.2 kΩ
D. Is less than 600 Ω

Check Answer

Correct Answer – (D)

MCQ Questions Electrical Engineering Parallel Circuits

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