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AS Physics > Measurement of Time > Flashcards

Measurement of Time Flashcards

Ticker-timer and light gates

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1
Q

Describe the ticker-timer.

A

Works using a.c current
a.c is current/voltage that oscillates/vibrates repeatedly
Frequency 50Hz or 50 vibrations/sec
Time for 1 oscillation = 0.02s

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2
Q

Describe light gates.

A

2 gates - two disturbances - one for start, one for finish
1 gate - starts when broken, stops when reconnects

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AS Physics (16 decks)

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