An electric bulb operates at 12 V d.c. If this bulb is connected to an a.c. source and gives normal brightness, what would be the peak value of the so

Question

An electric bulb operates at 12 V d.c. If this bulb is connected to an a.c. source and gives normal brightness, what would be the peak value of the so

An electric bulb operates at 12 V d.c. If this bulb is connected to an a.c. source and gives normal brightness, what would be the peak value of the source ?
A. 12V
B. 24V
C. `12sqrt(2)V`
D. `12/(sqrt2)V`

Monjur Alahi

4 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 - C
12 volt is the r.m.s. voltage
`:.` Peak voltage `=12sqrt(2) V`

4 views Answered 2023-02-05 15:29