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You Are On Multi Choice Question Bank SET 1047

52351. To find the total capacitance of capacitors in parallel, sum the values of the individual capacitors.



52352. The total capacitance in the given circuit is larger than the value of C4.



52353. A capacitor is charged when one of its plates has more electrons than the other plate.



52354. A 10 F capacitor will have more capacitive reactance than a 20 F capacitor in a 60 Hz circuit.



52355. Ceramic capacitors have higher voltage ratings than electrolytic capacitors.



52356. Between any two time constants, the charge on a capacitor changes about 63%.



52357. The term “integrator” is derived from a mathematical function in trigonometry.



52358. In an RC series circuit VS = VC + VR.



52359. When a capacitor is charging, current will flow through its dielectric.



52360. In the given circuit, the voltage across the capacitor 1 ms after the switch is closed is 11.61 V.



52361. The frequency response curve illustrates that as the frequency of the input increases, the voltage of the output will decrease.



52362. In a series capacitive circuit the smallest capacitor will have the largest voltage drop across it.



52363. Capacitance is directly proportional to the dielectric constant and the distance between its plates and inversely proportional to the area of the plates.



52364. The impedance in an RC parallel circuit is



52365. The unit of capacitance is a farad; one farad stores one coulomb of charge or 6.24 x 1018 electrons.



52366. The opposition to ac from a capacitor is called reluctance.



52367. The greater the distance between the plates of a capacitor, the smaller the capacitance value.



52368. An ohmmeter can be used to test a capacitor.



52369. This circuit is an RC integrator.



52370. A capacitor stores electric energy in the form of an electric field.



52371. The frequency response curve for a low-pass filter illustrates that as the frequency of the input increases, the voltage of the output will decrease.



52372. The phase angle of an RC series circuit is = invtan (XC/R) = invtan (VC/VR).



52373. The true power in an RC series circuit is PR = I2 x R.



52374. This circuit is a low-pass filter.



52375. A capacitor can be fully charged in 4 time constants.



52376. Capacitors are often used as filters.



52377. Capacitors in parallel have a higher total value than any individual capacitor.



52378. A high-pass filter heavily attenuates the higher frequencies.



52379. The impedance of an RC series circuit is (R2 +C2)1/2.



52380. If a 5 V, 60 Hz voltage is applied to a 4.7 F capacitor, the circuit current will be ______ .





52381. ___ capacitors have the highest values of capacitance.





52382. The basic capacitor is made up of ___ that separates two conductive plates.





52383. The total circuit reactance is ______ in the given circuit.





52384. A circuit whose output voltage is proportional to the rate of change of the input voltage is called a(n) ______ .





52385. The term ______ is derived from a mathematical function in calculus.





52386. A capacitor takes ___ time constants to charge to 95% of its capacity.





52387. The ___ of a capacitor affects the time it takes to charge and discharge.





52388. The ______ the area of the plates, the greater the number of electrons and ______ that can be stored.





52389. A discharged capacitor has ______ charges on its plates.





52390. A ___ capacitor allows ac signals to pass while blocking dc signals.





52391. The rate of charge or discharge of a capacitor is based on ___ function.





52392. The given image is a _____ capacitor.





52393. The reactance of C2 is _____ in the given circuit.





52394. In a 20 Vac series RC circuit, if 20 V is measured across the resistor and 40 V is measured across the capacitor, the applied voltage is:





52395. Select the equation below that represents the relationship between charge, capacitance, and voltage for a capacitor.




52396. When is a capacitor fully charged?





52397. What is the reactive power in the given circuit?





52398. What is the angle theta value for a 5.6 F capacitor and a 50-ohm resistor in series with a 1.1 kHz, 5 Vac source?





52399. Which type of decoder will select one of sixteen outputs, depending on the 4-bit binary input value?





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