## Six resistors are in parallel. The two lowest-value resistors are both…

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# Parallel Circuits

## Six resistors are in parallel. The two lowest-value resistors are both 1.2 kΩ. The total…

Six resistors are in parallel. The two lowest-value resistors are both 1.2 kΩ. The total resistance_____________? A. is less than 6 kΩ B. is greater than 1.2 kΩ C. is less than 1.2 kΩD. is less than 600 Ω…

## The following resistors are in parallel across a voltage source: 220Ω , 470Ω , and 560Ω . The…

The following resistors are in parallel across a voltage source: 220Ω , 470Ω , and 560Ω . The resistor with the least current is______________? A. 220 Ω B. 470 ΩC. 560 Ω D. impossible to determine without knowing the voltage…

## In a certain three-branch parallel circuit, R1 has 12 mA through it, R2 has 15 mA through it, and R3…

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____________? A. R3 is open B. R1 is open C. R2 is open D.…

## Five 100 Ω resistors are connected in parallel. If one resistor is removed, the total resistance…

Five 100 Ω resistors are connected in parallel. If one resistor is removed, the total resistance is______________? A. 25 Ω B. 500 Ω C. 100 Ω D. 20 Ω

## The total resistance of a parallel circuit is 50 Ω. If the total current is 120 mA, the current…

The total resistance of a parallel circuit is 50 Ω. If the total current is 120 mA, the current through the 270 Ω that makes up part of the parallel circuit is approximately_______________? A. 22 mA B. 120 mA C. 220 mA D. 50 mA…

## A 470 Ω resistor, a 220 Ω resistor, and a 100 Ω resistor are all in parallel. The total resistance…

A 470 Ω resistor, a 220 Ω resistor, and a 100 Ω resistor are all in parallel. The total resistance is approximately________________? A. 790 Ω B. 470 ΩC. 60 Ω D. 30 Ω

## Four equal-value resistors are connected in parallel. Ten volts are applied across the parallel…

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______________? A. 12.5 Ω B. 200 ΩC. 20 KΩ D. 50 Ω…

## When a 1.6 kΩ resistor and a 120Ω resistor are connected in parallel, the total resistance…

When a 1.6 kΩ resistor and a 120Ω resistor are connected in parallel, the total resistance is____________? A. greater than 1.6 kΩ B. greater than 120 but less than 1.6 kΩC. less than 120 but greater than 100 Ω D. less than 100 Ω…

## An ammeter has an internal resistance of 50 Ω. The meter movement itself can handle up to 1 mA. If…

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___________? A. 55 ΩB. 5.5 Ω C. 50 Ω D. 9 Ω…

## Four 8 Ω speakers are connected in parallel to the output of an audio amplifier. If the maximum…

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 WD. 72 W…