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The total current in the given circuit equals _____.

86 mA
170 mA
42 mA
128 mA

Correct Answer: 170 mA

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More Questions from Parallel Circuits

Effect of adding more branches — as additional resistors are connected in parallel to an existing network, how does the total (equivalent) resistance of the circuit change?
Aging effects — if the resistance value of one branch in a parallel network drifts with age, which electrical quantity in that branch changes as a direct consequence (assuming the supply voltage remains regulated)?
Parallel circuits — a circuit is said to be parallel between two nodes if more than one independent current path exists between those two points (and all such branches share the same node-to-node voltage).
Parallel network measurement — if an ideal voltmeter indicates 12 V across the source in a simple parallel circuit, what is the voltage across branch resistor R2?
Current division insight — in a parallel circuit, the branch having the largest resistance will have which relative current compared with other branches?
Instrument placement — to measure a branch current, an ammeter is placed in series with that branch; to measure the total current drawn from the supply in a parallel circuit, the ammeter is placed in series with the source lead.
Fault effect — in a parallel resistive network, opening (going open-circuit) one branch resistor will cause the total equivalent resistance seen by the source to _____ .
Instrument placement (repeat) — to measure a branch current, an ammeter is placed in series with that branch; to measure the total current drawn from the supply, the ammeter is placed in series with the source lead.
Repair for solvability — two resistors of 12 kΩ and 8 kΩ are connected in parallel. What is the total (equivalent) resistance of the circuit?

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