Electrical Engineering - Parallel Circuits
Exercise : Parallel Circuits - General Questions
- Parallel Circuits - General Questions
- Parallel Circuits - True or False
6.
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
7.
Three lights are connected in parallel across a 120 volt source. If one light burns out,
8.
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
12.5 
200
20 K
50
Answer: Option
Explanation:
10/(R/4) = 2 mA
40/R = 2 mA
R = 40/2 mA
= 40/0.002 A
= 20000 kohm (20 kohm)
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 k. The current through each bulb is approximately
. The current through each bulb is approximately10.
The power dissipation in each of four parallel branches is 1.2 W. The total power dissipation is
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