wiz-icon
MyQuestionIcon
MyQuestionIcon
1
You visited us 1 times! Enjoying our articles? Unlock Full Access!
Question

A 10 Ω electric iron is connected to 120 V,60 Hz wall outlet. What is the peak current through the electric iron?

A
12 A
No worries! We‘ve got your back. Try BYJU‘S free classes today!
B
122 A
Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses
C
102 A
No worries! We‘ve got your back. Try BYJU‘S free classes today!
D
10 A
No worries! We‘ve got your back. Try BYJU‘S free classes today!
Open in App
Solution

The correct option is B 122 A
Given Vrms=120 V
Since only resistance is connected in the a.c circuit,
irms=Vrms10 Ω=12 A
and current and voltage are in phase.

We know irms=i02
i0=irms×2=122 A

flag
Suggest Corrections
thumbs-up
1
Join BYJU'S Learning Program
similar_icon
Related Videos
thumbnail
lock
Alternating Current Applied to a Resistor
PHYSICS
Watch in App
Join BYJU'S Learning Program
CrossIcon