A filament bulb (\(500\) W, \(100\) V) is to be used in a \(230\) V main supply. When a resistance\(R\) is connected in series, the bulb works perfectly and consumes \(500\) W. The value of \(R\) is:
1.
\(230\)
2.
\(46\)
3.
\(26\)
4.
\(13\)
Subtopic: Heating Effects of Current |
66%
From NCERT
NEET - 2016
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The charge flowing through a resistance \(R\) varies with time \(t\) as \(Q=at-bt^2,\) where \(a\) and \(b\) are positive constants. The total heat produced in \(R\) is:
1.
2.
3.
4.
Subtopic: Heating Effects of Current |
56%
From NCERT
NEET - 2016
Other Reason
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