hi everyone, need help for this theory question: a) Describe functionality of a

Question

hi everyone,

need help for this theory question:

a) Describe functionality of a sensor.

b) Explain the difference between a sensor and agauge.

c) Name 2 components that must be present to cause themovement of the indicator needle in an ammeter based of Fleming'sLeft Hand Law.

Current & Field(is it correct?)

d) Name 2 difference between resistance andimpedance.

1. Resistance is a concept used in DC, impedance in AC.

2.Resistance converts energy to heat.

Correct?

Thank you in advance for all kind help & support. lifesaveris guaranteed.

Thank you & regards

Explanation / Answer

b) A sensor is a device that responds to a physicalstimulus (as heat, light, sound, pressure, magnetism, or aparticular motion) and transmits a resulting impulse (a signalrelating to the quantity being measured). For example, certainsensors convert temperature into a change in resistance.
c) & d) are correct
Hope that helps

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