Parallel Circuits The following resistors are in parallel across a voltage source: 220 , 470 , and 560 . The resistor with the least current is 560 220 impossible to determine without knowing the voltage 470 560 220 impossible to determine without knowing the voltage 470 ANSWER DOWNLOAD EXAMIANS APP
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 72 W 1.5 W 48 W 18 W 72 W 1.5 W 48 W 18 W ANSWER DOWNLOAD EXAMIANS APP
Parallel Circuits Six resistors are in parallel. The two lowest-value resistors are both 1.2 k. The total resistance is less than 600 is greater than 1.2 k is less than 1.2 k is less than 6 k is less than 600 is greater than 1.2 k is less than 1.2 k is less than 6 k 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 55 9 50 5.5 55 9 50 5.5 ANSWER DOWNLOAD EXAMIANS APP
Parallel Circuits Five 100 resistors are connected in parallel. If one resistor is removed, the total resistance is 25 500 100 20 25 500 100 20 ANSWER DOWNLOAD EXAMIANS APP
Parallel Circuits A sudden increase in the total current into a parallel circuit may indicate a drop in source voltage an increase in source voltage either a drop in source voltage or an open resistor an open resistor a drop in source voltage an increase in source voltage either a drop in source voltage or an open resistor an open resistor ANSWER DOWNLOAD EXAMIANS APP
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