- 1(current)
Q. No.A light bulb is rated at \(100~\text{W}\) for a \(220~\text{V}\) AC supply. The RMS current through the bulb is:
1. \(0.243\) A
2. \(0.454\) A
3. \(0.222\) A
4. \(0.312\) A
Subtopic: Â RMS & Average Values |
 80%
Level 1: 80%+
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In an AC circuit, an alternating voltage \(\varepsilon=200 \sqrt{2} \sin (100 t)~\text{V}\) is connected to a capacitor of capacity \(1~\mu \text{F}.\) The RMS value of the current in the circuit is:
| 1. | \(100~\text{mA}\) | 2. | \(200~\text{mA}\) |
| 3. | \(20~\text{mA}\) | 4. | \(10~\text{mA}\) |
Subtopic: Â RMS & Average Values |Â Different Types of AC Circuits |
 78%
Level 2: 60%+
AIPMT - 2011
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The peak voltage of the AC source is equal to:
| 1. | \(1 / \sqrt{2}\) times the rms value of the AC source. |
| 2. | the value of voltage supplied to the circuit. |
| 3. | the rms value of the AC source. |
| 4. | \(\sqrt{2}\) times the rms value of the AC source. |
Subtopic: Â RMS & Average Values |
 78%
Level 2: 60%+
NEET - 2022
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A standard filament lamp consumes \(100~\text W\) when connected to \(200~\text V\) AC mains supply. The peak current through the bulb will be:
1. \(0.707~\text A\)
2. \(1~\text A\)
3. \(1.414~\text A\)
4. \(2~\text A\)
1. \(0.707~\text A\)
2. \(1~\text A\)
3. \(1.414~\text A\)
4. \(2~\text A\)
Subtopic: Â RMS & Average Values |
 74%
Level 2: 60%+
NEET - 2022
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An AC source is rated \(220~\mathrm{V}\), \(50~\mathrm{Hz}\). The average voltage is calculated in a time interval of \(0.01~\mathrm{s}\). It,
| 1. | must be zero |
| 2. | may be zero |
| 3. | is never zero |
| 4. | is \(220\sqrt{2}\) V |
Subtopic: Â RMS & Average Values |
 52%
Level 3: 35%-60%
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- 1(current)
Q. No.
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