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You Are On Multi Choice Question Bank SET 1067

53351. The source is 24 volts and the load resistance is 100 . What is the load current?





53352. Resistors are identified as to wattage by:





53353. What type of resistors have a tolerance rating of 5% or greater?





53354. Resistor tolerance is either printed on the component, or is provided by:





53355. How many connections does a rheostat have?





53356. What are the parts of a rheostat?





53357. The load resistance increases. How will the load current change?





53358. What is the power dissipated by a 1.2 k resistor with 12 volts across it?





53359. How many joules of energy will a 10 W lamp dissipate in one minute?





53360. Which type of test equipment is used to measure resistors?





53361. Resistance is:





53362. Electrical equipment is protected against excessive current by a(n):





53363. If resistance decreases, then current will:





53364. A wire with a smaller cross-sectional area will produce:





53365. A 22-gauge wire will have a diameter in mils of:





53366. The word work means that:





53367. A good fuse will have:





53368. What property does an incandescent lamp possess?





53369. One advantage of a carbon film resistor over a carbon composition resistor is:





53370. If a metallic conductor has a positive temperature coefficient of resistance, then:





53371. What value of a 1.3 k resistor as measured by a digital voltmeter would be considered within tolerance?





53372. If a calculator display was "0.00263," what would this answer be in percent?





53373. A 33 k resistor with a 20% tolerance checks out as ok with which of the following ohmmeter readings?





53374. For P = V2/R, a decrease in resistance should produce:





53375. After a lamp is turned on, its filament resistance will change to become:





53376. Wirewound resistors are usually used in circuits that have:





53377. How is power dissipated in a resistor?





53378. Resistance in a circuit is:





53379. The unit designator for resistance value is the:





53380. One ampere of current flowing through one ohm of resistance is equal to:





53381. Good insulators:





53382. A 12-volt battery is delivering 3 amperes to a resistor. The power dissipated by the resistor is 4 watts.



53383. Resistance limits the flow of current.



53384. If 500 mA is flowing through a 10 resistor, the wattage rating of the resistor should be 2 watts.



53385. A digital voltmeter can be used to measure resistance.



53386. Carbon composition resistors are the most common and the least expensive type of fixed-value resistor.



53387. In a resistive circuit, if the voltage increases, the current will increase.



53388. A 2% 55 k resistor would have a color coding of green, green, black, red, red.



53389. The resistive track of a rheostat or potentiometer can be classified as having either a linear or tapered resistance.



53390. Resistance is inversely proportional to current.



53391. A rheostat is not a type of variable resistor.



53392. Resistivity is measured in cmil.Ω/ft.



53393. A load resistance is the resistance of the load.



53394. Variable resistors have problems with the wiper making contact.



53395. The maximum potential a material can withstand without rupture is called breakdown voltage.



53396. The cross-sectional area of a conductor is one factor that determines the conductor's resistance to current.



53397. An ohmmeter uses an internal battery to measure the resistance of a resistor.



53398. A protoboard is used to make experimental circuits.



53399. One horsepower is 746 watts.



53400. Fixed-value resistors can internally short-circuit.



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