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 ? A. 18 W B. 1.5 W C. 48 W D. 72 W View Answer D. 72 W
Three lights are connected in parallel across a 120 volt source. If one light burns out ? Parallel Circuits MCQs
When an additional resistor is connected across an existing parallel circuit, the total resistance ? Parallel Circuits MCQs
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 ? Parallel Circuits MCQs
A 470 Ω resistor, a 220 Ω resistor, and a 100 Ω resistor are all in parallel. The total resistance is approximately ? Parallel Circuits MCQs
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 ? Parallel Circuits MCQs
When a 1.6 kΩ resistor and a 120Ω resistor are connected in parallel, the total resistance is ? Parallel Circuits MCQs
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 ? Parallel Circuits MCQs
If one of the resistors in a parallel circuit is removed, the total resistance ? Parallel Circuits MCQs
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 ? Parallel Circuits MCQs
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 ? Parallel Circuits MCQs
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 ? Parallel Circuits MCQs
The power dissipation in each of four parallel branches is 1.2 W. The total power dissipation is ? Parallel Circuits MCQs
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 ? Parallel Circuits MCQs
Three 47 Ω resistors are connected in parallel across a 110 volt source. The current drawn from the source is approximately ? Parallel Circuits MCQs
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 ? Parallel Circuits MCQs
Six resistors are in parallel. The two lowest-value resistors are both 1.2 kΩ. The total resistance ? Parallel Circuits MCQs
The following resistors are in parallel across a voltage source: 220Ω , 470Ω , and 560Ω . The resistor with the least current is ? Parallel Circuits MCQs
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 ? Parallel Circuits MCQs
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 ? Parallel Circuits MCQs
