Choose the correct answer. 1. A fluxgate magnetometer allows a robot to locate itself on the basis of a. body capacitance with nearby objects b. the orientations of external magnetic fields c. the phase relationships among multiple ultrasonic beacon signals d. optical delays to and from stationary reflectors 2.Which of the following devices is not an electromechanical transducer? a. An electric motor b. An electric generator c. A selsyn d. A fluxgate magnetometer 3. At low radio frequencies, an RDF system typically employs a. a Yagi antenna b. a small loop or loopstick antenna c. a dish antenna d. a half-wave dipole antenna

Choose the correct answer. 1. A fluxgate magnetometer allows a robot to locate itself on the basis of a. body capacitance with nearby objects b. the orientations of external magnetic fields c. the phase relationships among multiple ultrasonic beacon signals d. optical delays to and from stationary reflectors 2.Which of the following devices is not an electromechanical transducer? a. An electric motor b. An electric generator c. A selsyn d. A fluxgate magnetometer 3. At low radio frequencies, an RDF system typically employs a. a Yagi antenna b. a small loop or loopstick antenna c. a dish antenna d. a half-wave dipole antenna

Power System Analysis and Design (MindTap Course List)

6th Edition

ISBN:9781305632134

Author:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma

Publisher:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma

Chapter12: Power System Controls

Section: Chapter Questions

Problem 12.12P

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Question

Choose the correct answer.

1. A fluxgate magnetometer allows a robot to locate itself on the basis of

a. body capacitance with nearby objects

b. the orientations of external magnetic fields

c. the phase relationships among multiple ultrasonic beacon signals

d. optical delays to and from stationary reflectors

2.Which of the following devices is not an electromechanical transducer?

a. An electric motor

b. An electric generator

c. A selsyn

d. A fluxgate magnetometer

3. At low radio frequencies, an RDF system typically employs

a. a Yagi antenna

b. a small loop or loopstick antenna

c. a dish antenna

d. a half-wave dipole antenna

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