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You Are On Multi Choice Question Bank SET 1068

53401. A resistor with a value of 9.9 k 10% could have a value between 8.91 k and 10.89 k.



53402. 4 amperes will flow through a 10 resistor if 20 volts are placed across the resistor.



53403. A rheostat is ___.





53404. The power rating of a resistor is __________ related to __________.





53405. The resistivity of copper is:





53406. How do fixed resistors usually fail?





53407. With Ohm's law, if voltage increases and resistance stays the same:





53408. Which formula shows a direct proportionality between power and voltage?





53409. With 1 mA of current, what wattage rating should a 470 ohm resistor have?





53410. Calculate the voltage dropped across L2 in the given circuit.





53411. What is the magnitude of the phase angle of a 24 Vac parallel RL circuit when R = 45 and XL = 1100 ?





53412. Which of the following statements is true if the frequency decreases in the circuit in the given circuit?





53413. What is the magnitude of the phase angle between the source voltage and current when a 100 mH inductor with an inductive reactance of 6 k and a 1 k resistor are in series with a source?





53414. Which of the following statements is true if R1 opens in the circuit in the given circuit?





53415. Which of the following statements is true if R = 100 and XL = 100 in the circuit in the given circuit?





53416. Which of the following statements is true about a lag network?





53417. As the frequency increases in a series RL circuit the impedance also increases.



53418. The impedance of the circuit in the given circuit is 110 .



53419. For series ac circuits containing both resistance and inductive reactance, total opposition to current can be found by simply adding ohmic values or oppositions to current.



53420. The phase angle will increase in a parallel RL circuit if the resistance is increased.



53421. The circuit in the given circuit is a low-pass filter.



53422. Phase angle is the difference in phase between the applied voltage (VS) and the circuit current (IT).



53423. If a 7.5 k resistance is connected to a 10 k inductive reactance in a series RL circuit, then the impedance equals 12.5 k .



53424. In a series RL circuit, a power factor of 0.5 results in less energy conversion to heat than does a power factor of 0.6.



53425. If Y = 20 mS, then Z = 20.



53426. The current lags the source voltage in a series RL circuit.



53427. The phase angle will decrease in a series RL circuit if the inductance is increased.



53428. As frequency decreases in a parallel RL circuit the impedance also decreases.



53429. If the resistance is larger than the inductive reactance in the given circuit, the phase angle is _______.





53430. The phase angle in the circuit in the given circuit is approximately equal to ______.





53431. If VS increases in the given circuit, then the _____.





53432. The frequency at which XL = R in an RL circuit is called the _______________.





53433. In the given circuit, IT equals _____.





53434. The impedance of a series circuit when R = 15 k and XL = 10 k is approximately equal to ________.





53435. The given circuit is a _______.





53436. If the frequency decreases in the given circuit, then _____.





53437. The cutoff frequency of the circuit in the given circuit is approximately equal to _____.





53438. In the circuit given is, _____.





53439. The voltage dropped across the resistor in the circuit in the given circuit is approximately equal to ___.





53440. The impedance of the circuit in the given circuit is approximately equal to _____.





53441. The memory which is programmed at the time it is manufactured:





53442. Calculate the voltage dropped across R1 in the given circuit.





53443. What is the true power of a 24 Vac parallel RL circuit when R = 45 and XL = 1100 ?





53444. If XL= 100 and R = 100 , then impedance will be





53445. Which of the following statements is true if the inductor shorts out in the circuit in the given circuit?





53446. What is the range between f1 and f2 of an RLC circuit that resonates at 150 kHz and has a Q of 30?





53447. What is the quality factor?





53448. What effect will a parallel tank have upon final filter current?





53449. What is the total current?





53450. When a parallel circuit resonates it is said to:





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