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 50 9 5.5 55 50 9 5.5 55 ANSWER DOWNLOAD EXAMIANS APP
Parallel Circuits 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 200 mA 1.24 A 540 mA 900 mA 200 mA 1.24 A 540 mA 900 mA 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 an increase in source voltage a drop in source voltage an open resistor either a drop in source voltage or an open resistor an increase in source voltage a drop in source voltage an open resistor ANSWER DOWNLOAD EXAMIANS APP
Parallel Circuits 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 70 mA 120 mA 50 mA 40 mA 70 mA 120 mA 50 mA 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 48 W 18 W 72 W 1.5 W 48 W 18 W 72 W 1.5 W ANSWER DOWNLOAD EXAMIANS APP
Parallel Circuits 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 200 50 20 K 12.5 200 50 20 K 12.5 ANSWER DOWNLOAD EXAMIANS APP