Parallel Circuits - General Questions Online Exam Quiz
Parallel Circuits - General Questions GK Quiz. Question and Answers related to Parallel Circuits - General Questions. MCQ (Multiple Choice Questions with answers about Parallel Circuits - General Questions
An ammeter has an internal resistance of 50 . The meter movement itself can handle up to 1 mA. If 10 mA is applied to the meter, the shunt resistor, R SH1 , is approximately
Options
A : 55
B : 5.5
C : 50
D : 9
The total resistance of a parallel circuit is 50 . If the total current is 120 mA, the current through the 270 resistor that makes up part of the parallel circuit is approximately
Options
A : 22 mA
B : 120 mA
C : 220 mA
D : 50 mA
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
Options
A : 1 A
B : 7 A
C : unknown
D : the larger of the two
When an additional resistor is connected across an existing parallel circuit, the total resistance
Options
A : remains the same
B : decreases by the value of the added resistor
C : increases by the value of the added resistor
D : decreases
When a 1.6 k resistor and a 120 resistor are connected in parallel, the total resistance is
Options
A : greater than 1.6 k
B : greater than 120 but less than 1.6 k
C : less than 120 but greater than 100
D : less than 100
If there are a total of 120 mA into a parallel circuit consisting of three branches, and two of the branch currents are 40 mA and 10 mA, the third branch current is
Options
A : 50 mA
B : 70 mA
C : 120 mA
D : 40 mA
Three lights are connected in parallel across a 120 volt source. If one light burns out,
Options
A : the remaining two will glow dimmer
B : the remaining two will glow brighter
C : the remaining two will not light
D : the remaining two will glow with the same brightness as before
Four equal-value resistors are connected in parallel. Ten volts are applied across the parallel circuit and 2 mA are measured from the source. The value of each resistor is
Options
A : 12.5
B : 200
C : 20 K
D : 50
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
Options
A : 610 mA
B : 18 mA
C : 110 mA
D : 61 mA
The power dissipation in each of four parallel branches is 1.2 W. The total power dissipation is
Options
A : 1.2 W
B : 4.8 W
C : 0.3 W
D : 12 W
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