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
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Electrical Engineering · all questionsParallel Circuits
Parallel Circuits
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Five 100 Ω resistors are connected in parallel. If one resistor is removed, the total resistance is
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When a 1.6 kΩ resistor and a 120 Ω resistor are connected in parallel, the total resistance is
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In a parallel circuit, the branch with the lowest resistance has the most current.
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A sudden increase in the total current into a parallel circuit may indicate
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There is a total of 800 mA of current into four parallel resistors. The currents through three of the resistors are 40 mA, 70 mA, and 200 mA. The current through the fourth resistor is
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The total current divides among parallel resistors in a manner directly proportional to the resistance values.
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Addition of resistors in parallel increases total resistance and decreases total current.
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When an open circuit occurs in a parallel branch, the total resistance decreases.
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The total resistance for two resistors in parallel is equal to the sum of the two resistors.
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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
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In a five-branch parallel circuit, there are 12 mA of current in each branch. If one of the branches opens, the current in each of the other four branches is
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Four 8 Ω speakers are connected in parallel to the output of an audio amplifier. If the maximum voltage to the speakers is 12 V, the amplifier must be able to deliver to the speakers
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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
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A 470 Ω resistor, a 220 Ω resistor, and a 100 Ω resistor are all in parallel. The total resistance is approximately
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Total power in a parallel circuit is found by adding up the power of all the individual resistors.
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Four resistors are connected in parallel. Fifteen mA flows through resistor R. If the second resistor is 2R, the third resistor 3R, and the fourth resistor 4R, the total current in the circuit is
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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
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Three lights are connected in parallel across a 120 volt source. If one light burns out,
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Four resistors of equal value are connected in parallel. If the total voltage is 15 V and the total resistance is 600 Ω, the current through each parallel resistor is
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