Intext example III — task. Science CBSE, Class 10.

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எங்கள் ஆசிரியர்களுடன் 1-ஆன்-1 ஆலோசனை நேரத்தைப் பெறுங்கள். டாப்பர் ஆவதற்கு நாங்கள் பயிற்சி அளிப்போம்

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a. How much current will an electric bulb draw from a \(220\ V\) source, if the resistance of the bulb filament is \(1200\ Ω\)?

[Note: Enter the answer up to two decimal places.]

\(V\) \(=\) \(220\ V\)

Resistance, \(R\) \(=\) \(1200\ Ω\)

The formula is

\begin{array}{l} I = \frac{i}{i} \\ = \frac{i}{i} \end{array}

The current through the bulb is \(A\)

b. How much current will an electric heater coil draw from a \(220\ V\) source, if the resistance of the heater coil is \(100\ Ω\)?

[Note: Enter the answer up to one decimal place.]

\(V\) \(=\) \(220\ V\)

Resistance, \(R\) \(=\) \(100\ Ω\)

\begin{array}{l} I = \frac{i}{i} \\ = \frac{i}{i} \end{array}

The current through the bulb is \(A\)

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22. Intext example III