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Alternating Current and Voltage - Technical MCQs

Q1:

If a sine wave's frequency equals 25 MHz, its period equals _____.

A 25 µs

B 25 ms

C 4 µs

D 40 ns

ANS:D - 40 ns

F = 1/T.
F: STANDS FOR FREQUENCY.
T: TIME PERIOD.

So,
T = 1/F.
T = 1/25MHZ.
T = 40ns.