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You Are On Multi Choice Question Bank SET 1024

51201. Calculate the output voltage if V1 = –3.3 V and V2 = 0.8 V.





51202. When a number of stages are connected in parallel, the overall gain is the product of the individual stage gains.



51203. Calculate the cutoff frequency of a first-order low-pass filter for R1 = 2.5 k and C1 = 0.05 F.





51204. A filter that provides a constant output from dc up to a cutoff frequency and passes no signal above that frequency is called a ________ filter.




51205. Calculate the output voltage if V1 = 0 V and V2 = 0.2 V.





51206. Determine the output voltage when V1 = –V2 = –1 V.





51207. An example of an instrumentation circuit is a(n) ________.





51208. Determine the output voltage.





51209. Vaccination against small pox was discovered by?





51210. Calculate the output voltage if V1 = 33 mV and V2 = 2 mV.





51211. In an instrumentation amplifier, the output voltage is based on the ________ times a scale factor.





51212. In a millivoltmeter, the diodes and the capacitor are used in ________ parts of the circuit.





51213. ________ can be used as a voltage-controlled voltage source.





51214. The output voltage of a voltage buffer is ________ with the input voltage.





51215. Op-amp circuits are used in ________ voltmeters.





51216. Op-amps can be used to form ________ circuit(s).





51217. The voltage gain of a voltage buffer is ________ .





51218. The roll-off for a first-order high-pass filter is ________.





51219. The roll-off for a second-order high-pass filter is ________.





51220. In a dc millivoltmeter, the amplifier provides a meter with ________ input impedance and a scale factor dependent on ________ value and accuracy.





51221. The output impedance of a voltage buffer is ________.





51222. In a current-controlled voltage source using the inverting op-amp circuit, the controlled output current is ________ with the input voltage source.





51223. In a current-controlled current source, the controlled current Io depends on ________.





51224. A bandpass filter uses ________ circuit.





51225. A voltage summing amplifier has ________.





51226. When a number of stages are connected in series, the overall gain is the ________ of the individual stage gains.





51227. An active circuit is composed of a(n) ________.





51228. A filter that passes signals that are above one ideal cutoff frequency and below a second cutoff frequency is called ________.





51229. ________ build a multistage connection.





51230. A low-pass filter ________.





51231. The input to an op-amp can be a(n) ________.





51232. A(n) ________ is not a component of a passive filter.





51233. ________ in a current-controlled voltage source circuit.





51234. The input impedance of a voltage buffer is ________.





51235. The level of the output voltage of an op-amp circuit is always ________ the level of VCC.





51236. Calculate the output voltage for this circuit when V1 = 2.5 V and V2 = 2.25 V.





51237. Calculate the output voltage if V1 = –0.2 V and V2 = 0 V.





51238. A number of op-amp stages can be used to provide separate gains.



51239. Determine the output voltage when V1 = –V2 = 1 V.





51240. How many op-amps are required to implement this equation? Vo = V1





51241. An op-amp has an open-loop gain of 100,000 and a cutoff frequency of 40 Hz. Find the open-loop gain at a frequency of 30 Hz.





51242. Refer to the given figure. The input impedance of this circuit is





51243. What is the level of the voltage between the input terminals of an op-amp?





51244. An op-amp has an open-loop gain of 75,000 and a cutoff frequency of 100 Hz. At 1 kHz the open-loop gain is down by





51245. What is the difference output voltage of any signals applied to the input terminals?





51246. A three-stage op-amp can have a maximum phase lag of ________°.





51247. The summing amplifier contains an inverting amplifier.



51248. What is the open-loop gain of an op-amp at the gain-bandwidth product of the op-amp?





51249. Consumer protection Act was passed in?





51250. Refer to the given figure. A dc input signal of –50 mV is applied. You would measure ________ from the inverting input to ground.





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