Parallel Circuits 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 18 W 72 W 1.5 W 48 W 18 W 72 W 1.5 W ANSWER DOWNLOAD EXAMIANS APP
Parallel Circuits 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 9 55 5.5 50 9 55 5.5 50 ANSWER DOWNLOAD EXAMIANS APP
Parallel Circuits 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 0 A 3 mA 12 mA 48 mA 0 A 3 mA 12 mA 48 mA ANSWER DOWNLOAD EXAMIANS APP
Parallel Circuits 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 the larger of the two unknown 7 A 1 A the larger of the two unknown 7 A 1 A ANSWER DOWNLOAD EXAMIANS APP
Parallel Circuits 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 impossible to determine without knowing the voltage 470 560 220 ANSWER DOWNLOAD EXAMIANS APP
Parallel Circuits A sudden increase in the total current into a parallel circuit may indicate either a drop in source voltage or an open resistor a drop in source voltage an increase in source voltage an open resistor either a drop in source voltage or an open resistor a drop in source voltage an increase in source voltage an open resistor ANSWER DOWNLOAD EXAMIANS APP
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