IGCSE A Level Physics Practice Test 21

Analogue and Digital Signals Quiz Questions and Answers PDF Download - 21

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The Quiz: Voltage signal generated by a microphone is; "Analogue and Digital Signals" App Download (Free) with answers: Analogue in nature; Digital in nature; Consists of bits and bytes; Hybrid in nature; for accredited online colleges. Learn Communication Systems Questions and Answers, Apple eBook to download free sample to study online college courses.

Analogue and Digital Signals Questions and Answers PDF Download: MCQ 21

MCQ 101:

Voltage signal generated by a microphone is

digital in nature
analogue in nature
consists of bits and bytes
hybrid in nature

MCQ 102:

If the connections across the resistor are reversed, then graph between current and potential difference is

variable
straight lined
constant
inverted

MCQ 103:

Frequency below which no electrons are emitted from metal surface is

minimum frequency
angular frequency
maximum frequency
threshold frequency

MCQ 104:

An uncharged object has

more protons
more electrons
equal electrons and protons
no protons and electrons

MCQ 105:

Energy transferred per unit charge is

EMF
current
potential difference
conventional current

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