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 50 55 5.5 TRUE ANSWER : ? YOUR ANSWER : ?
When an additional resistor is connected across an existing parallel circuit, the total resistance remains the same decreases by the value of the added resistor increases by the value of the added resistor decreases TRUE ANSWER : ? YOUR ANSWER : ?
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 18 W 48 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 18 mA 110 mA 610 mA 61 mA TRUE ANSWER : ? YOUR ANSWER : ?
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 120 mA 40 mA 70 mA 50 mA TRUE ANSWER : ? YOUR ANSWER : ?
Five 100 resistors are connected in parallel. If one resistor is removed, the total resistance is 20 100 500 25 TRUE ANSWER : ? YOUR ANSWER : ?
When a 1.6 k resistor and a 120 resistor are connected in parallel, the total resistance is greater than 1.6 k less than 100 greater than 120 but less than 1.6 k less than 120 but greater than 100 TRUE ANSWER : ? YOUR ANSWER : ?
If one of the resistors in a parallel circuit is removed, the total resistance increases remains the same doubles decreases TRUE ANSWER : ? YOUR ANSWER : ?
Six resistors are in parallel. The two lowest-value resistors are both 1.2 k. The total resistance is less than 6 k is less than 600 is less than 1.2 k is greater than 1.2 k TRUE ANSWER : ? YOUR ANSWER : ?
Four resistors of equal value are connected in parallel. If the total voltage is 15 V and the total resistance is 600 , the current through each parallel resistor is 100 mA 25 mA 200 mA 6.25 mA TRUE ANSWER : ? YOUR ANSWER : ?