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Electrical Engineering - Parallel Circuits

Exercise : Parallel Circuits - General Questions
16.
In a certain three-branch parallel circuit, R1 has 12 mA through it, R2 has 15 mA through it, and R3 has 25 mA through it. After measuring a total of 27 mA, you can say that
R3 is open
R1 is open
R2 is open
the circuit is operating properly
Answer: Option
Explanation:
No answer description is available. Let's discuss.
17.
A sudden increase in the total current into a parallel circuit may indicate
a drop in source voltage
an open resistor
an increase in source voltage
either a drop in source voltage or an open resistor
Answer: Option
Explanation:
No answer description is available. Let's discuss.
18.
The following currents are measured in the same direction in a three-branch parallel circuit: 200 mA, 340 mA, and 700 mA. The value of the current into the junction of these branches is
200 mA
540 mA
1.24 A
900 mA
Answer: Option
Explanation:
No answer description is available. Let's discuss.
19.
The following resistors are in parallel across a voltage source: 220 , 470 , and 560 . The resistor with the least current is
220
470
560
impossible to determine without knowing the voltage
Answer: Option
Explanation:
No answer description is available. Let's discuss.
20.
Three 47 resistors are connected in parallel across a 110 volt source. The current drawn from the source is approximately
2.3 A
780 mA
47 mA
7.06 A
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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