What will be the frequency of an alternating current, if its direction changes after every 0.01 s?

20 Hz

No worries! We‘ve got your back. Try BYJU‘S free classes today!

10 Hz

No worries! We‘ve got your back. Try BYJU‘S free classes today!

15 Hz

No worries! We‘ve got your back. Try BYJU‘S free classes today!

50 Hz

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

Open in App

Solution

The correct option is C 50 Hz
If ac current changes its direct in $0.1 s$ , it means it completes its cycle in $0.2 s (0.1 s + 0.1 s) .$
Frequency $= 1 /$ Time period $= 1 / 0.02 = 50 H z .$

Suggest Corrections

Similar questions

An alternating current has frequency of 50 Hz. How many times does it change its direction in one second? [2 MARKS]

50

75 H z

R M S

20 a m p e r e ?

60

50

Join BYJU'S Learning Program