1. In normal operation, a p-n-p transistor connected in common-base configuration has a. the base at a higher potential than the emitter b. the collector at a higher potential than the base c. the emitter at a lower potential than the base d. the collector at a lower potential than the emitter 2. In normal operation, the junctions of an n-p-n transistor are: a. base-emitter forward biased and base-collector reverse biased b. both reverse biased c. both forward biased d. base-collector forward biased and base-emitter reverse biased 3. The current flow across the base-emitter junction of an n-p-n transistor consists of a. equal numbers of holes and electrons b. the leakage current c. mainly electrons d. mainly holes 4. What is the opposition offered by a coil to (a) the flow of alternating current and (b) a change in current? a. (a) Resistance (b) Inductance b. (a) Reactance (b) Counterreactance c. (a) Reactance (b) Inductance d. (a) Resistance (b) Reactance 5. An alternating voltage is given by v=100 sin(50πt −0.30)V. Which of the following statements is true? a. The r.m.s. voltage is 100V b. The periodic time is 20 ms c. The frequency is 25 Hz d. The voltage is leading v=100 sin 50πt by 0.30 radians 6. If the area of the plate of the capacitor decreased, the capacitive reactance will a. increase b. none of the above c. stay the same d. decrease
1. In normal operation, a p-n-p transistor connected in common-base configuration has a. the base at a higher potential than the emitter b. the collector at a higher potential than the base c. the emitter at a lower potential than the base d. the collector at a lower potential than the emitter 2. In normal operation, the junctions of an n-p-n transistor are: a. base-emitter forward biased and base-collector reverse biased b. both reverse biased c. both forward biased d. base-collector forward biased and base-emitter reverse biased 3. The current flow across the base-emitter junction of an n-p-n transistor consists of a. equal numbers of holes and electrons b. the leakage current c. mainly electrons d. mainly holes 4. What is the opposition offered by a coil to (a) the flow of alternating current and (b) a change in current? a. (a) Resistance (b) Inductance b. (a) Reactance (b) Counterreactance c. (a) Reactance (b) Inductance d. (a) Resistance (b) Reactance 5. An alternating voltage is given by v=100 sin(50πt −0.30)V. Which of the following statements is true? a. The r.m.s. voltage is 100V b. The periodic time is 20 ms c. The frequency is 25 Hz d. The voltage is leading v=100 sin 50πt by 0.30 radians 6. If the area of the plate of the capacitor decreased, the capacitive reactance will a. increase b. none of the above c. stay the same d. decrease
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
Section: Chapter Questions
Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...
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Question
1. In normal operation, a p-n-p transistor connected in common-base configuration has
a. the base at a higher potential than the emitter
b. the collector at a higher potential than the base
c. the emitter at a lower potential than the base
d. the collector at a lower potential than the emitter
2. In normal operation, the junctions of an n-p-n transistor are:
a. base-emitter forward biased and base-collector reverse biased
b. both reverse biased
c. both forward biased
d. base-collector forward biased and base-emitter reverse biased
3. The current flow across the base-emitter junction of an n-p-n transistor consists of
a. equal numbers of holes and electrons
b. the leakage current
c. mainly electrons
d. mainly holes
4. What is the opposition offered by a coil to (a) the flow of alternating current and (b) a change in current?
a. (a) Resistance (b) Inductance
b. (a) Reactance (b) Counterreactance
c. (a) Reactance (b) Inductance
d. (a) Resistance (b) Reactance
5. An alternating voltage is given by v=100 sin(50πt −0.30)V. Which of the following statements is true?
a. The r.m.s. voltage is 100V
b. The periodic time is 20 ms
c. The frequency is 25 Hz
d. The voltage is leading v=100 sin 50πt by 0.30 radians
6. If the area of the plate of the capacitor decreased, the capacitive reactance will
a. increase
b. none of the above
c. stay the same
d. decrease
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