Alternating current vs direct crrent questions
1. What are the two main applications for ac? A. direct, pulsating B. electric, magnetic C. power, information D. static, […]
1. What are the two main applications for ac? A. direct, pulsating B. electric, magnetic C. power, information D. static, […]
51. If a metallic conductor has a positive temperature coefficient of resistance, then: A. as temperature increases, resistance decreases B.
46. A 22-gauge wire will have a diameter in mils of: A. 10.03 B. 22.35 C. 45.26 D. 71.96 Answer:
26. How many basic types of resistors exist? A. 1 B. 2 C. 3 D. 4 Answer: Option B Explanation:
26. How many basic types of resistors exist? A. 1 B. 2 C. 3 D. 4 Answer: Option B Explanation:
21. One problem with mechanically variable resistors is noticeable in audio circuits as: A. scratchy noise B. lack of bass
16. What is the most commonly used conductor in electronics? A. aluminum B. copper C. gold D. silver Answer: Option
6. How is a 3.9 komega.gif resistor color-coded? A. red, white, red, gold B. red, green, orange, silver C. orange,
1. The resistivity of copper is: A. 9.9 omega.gif B. 10.7 omega.gif C. 16.7 omega.gif D. 17.0 omega.gif Answer: Option
6. How is a 3.9 komega.gif resistor color-coded? A. red, white, red, gold B. red, green, orange, silver C. orange,
1. The resistivity of copper is: A. 9.9 omega.gif B. 10.7 omega.gif C. 16.7 omega.gif D. 17.0 omega.gif Answer: Option
1. A _______________ JFET amplifier provides a voltage gain of less than one. A. common-source B. common-channel C. common-drain D.
6. A(n) ___ has a conductive channel only when it is biased properly. A. p-channel JFET B. n-channel D-MOSFET C.
1. The gate-source junction of a JFET must be ________ for proper linear operation. A. forward-biased B. reverse-biased C. either
6. A certain amplifier has a voltage gain of 210. That gain expressed in decibels is 46.4 dB. A. True
1. If the drain, source, and channel of a MOSFET are all a p-type material, and it operates in both
6. The signal voltage gain of an amplifier, Av, is defined as: A. mca17_1003a1.gif B. Av = IC × RC
1. The primary function of the bias circuit is to A. hold the circuit stable at VCC B. hold the
11. Often a common-collector will be the last stage before the load; the main function of this stage is to
6. The signal voltage gain of an amplifier, Av, is defined as: A. mca17_1003a1.gif B. Av = IC × RC
1. The primary function of the bias circuit is to A. hold the circuit stable at VCC B. hold the
. The output voltage in the given circuit is _____ at the end of the second pulse. A. 1.06 V
11. The steady-state condition of an integrator is reached after 5 time constants regardless of the number of input pulses
6. If the output of an RC integrator is zero volts, the capacitor might be open. A. True B.
1. A repetitive pulse with a 50% duty cycle is being applied to the input of an RC integrator. If