An ammeter has an internal resistance of 50 . The meter movement itself can handle up to 1 mA. If 10 mA is applied to the meter, the shunt resistor, RSH1, is approximately 5.5 9 50 55 TRUE ANSWER : ? YOUR ANSWER : ?
The total resistance of a parallel circuit is 50 . If the total current is 120 mA, the current through the 270 resistor that makes up part of the parallel circuit is approximately 22 mA 50 mA 120 mA 220 mA TRUE ANSWER : ? YOUR ANSWER : ?
The power dissipation in each of four parallel branches is 1.2 W. The total power dissipation is 12 W 1.2 W 0.3 W 4.8 W TRUE ANSWER : ? YOUR ANSWER : ?
A set of Christmas tree lights is connected in parallel across a 110 V source. The filament of each light bulb is 1.8 k. The current through each bulb is approximately 610 mA 61 mA 18 mA 110 mA TRUE ANSWER : ? YOUR ANSWER : ?
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 unknown the larger of the two 1 A 7 A TRUE ANSWER : ? YOUR ANSWER : ?
A 470 resistor, a 220 resistor, and a 100 resistor are all in parallel. The total resistance is approximately 470 30 60 790 TRUE ANSWER : ? YOUR ANSWER : ?
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 20 K 50 200 12.5 TRUE ANSWER : ? YOUR ANSWER : ?
Three lights are connected in parallel across a 120 volt source. If one light burns out, the remaining two will not light the remaining two will glow dimmer the remaining two will glow brighter the remaining two will glow with the same brightness as before TRUE ANSWER : ? YOUR ANSWER : ?
A sudden increase in the total current into a parallel circuit may indicate an open resistor either a drop in source voltage or an open resistor a drop in source voltage an increase in source voltage 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 12 mA 48 mA 3 mA 0 A TRUE ANSWER : ? YOUR ANSWER : ?