An alternating emf of peak value 350 V is applied across an a.c. ammeter of resistance `100 Omega`. What is the reading of the ammeter?

Question

An alternating emf of peak value 350 V is applied across an a.c. ammeter of resistance `100 Omega`. What is the reading of the ammeter?

An alternating emf of peak value 350 V is applied across an a.c. ammeter of resistance `100 Omega`. What is the reading of the ammeter?
A. 2.5A
B. 1.5A
C. 5.2A
D. 2.2A

Monjur Alahi

5 views

2025-01-04 04:42

1 Answers

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Salim Ahmed Kawsar · Accepted Answer · 2023-02-05T15:29:48+06:00

Salim Ahmed Kawsar

Correct Answer - A
`I_(rms)=(e_(rms))/(R)`
`=(e_(0))/(sqrt(2)R)=(350)/(1.414xx100)=2.474`
`~~2.5A`

5 views Answered 2023-02-05 15:29