The following resistors are in parallel across a voltage source: 220 , 470 , and 560 . The resistor with the least current is impossible to determine without knowing the voltage 470 560 220 TRUE ANSWER : ? YOUR ANSWER : ?
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 1.24 A 900 mA 540 mA 200 mA TRUE ANSWER : ? YOUR ANSWER : ?
Four 8 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 48 W 1.5 W 18 W 72 W TRUE ANSWER : ? YOUR ANSWER : ?
When an additional resistor is connected across an existing parallel circuit, the total resistance remains the same decreases by the value of the added resistor increases by the value of the added resistor decreases TRUE ANSWER : ? YOUR ANSWER : ?
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 3 mA 0 A 48 mA 12 mA TRUE ANSWER : ? YOUR ANSWER : ?
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 490 mA 0 A 310 mA 800 mA TRUE ANSWER : ? YOUR ANSWER : ?
A sudden increase in the total current into a parallel circuit may indicate an increase in source voltage either a drop in source voltage or an open resistor a drop in source voltage an open resistor TRUE ANSWER : ? YOUR ANSWER : ?
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 40 mA 120 mA 70 mA 50 mA TRUE ANSWER : ? YOUR ANSWER : ?
Four resistors of equal value are connected in parallel. If the total voltage is 15 V and the total resistance is 600 , the current through each parallel resistor is 6.25 mA 100 mA 200 mA 25 mA TRUE ANSWER : ? YOUR ANSWER : ?
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 the circuit is operating properly R1 is open R2 is open R3 is open TRUE ANSWER : ? YOUR ANSWER : ?