wiz-icon
MyQuestionIcon
MyQuestionIcon
2
You visited us 2 times! Enjoying our articles? Unlock Full Access!
Question

A resistance of 20 ohms is connected to a source of an alternating potential V=220 sin(100 πt). The time taken by the current to change from its peak value to r.m.s value is

A
0.2 sec
No worries! We‘ve got your back. Try BYJU‘S free classes today!
B
0.25 sec
No worries! We‘ve got your back. Try BYJU‘S free classes today!
C
25×103sec
No worries! We‘ve got your back. Try BYJU‘S free classes today!
D
2.5×103sec
Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses
Join BYJU'S Learning Program
CrossIcon