A \(5\text-\)ampere fuse wire can withstand a maximum power of \(1\) watt in a circuit. The resistance of the fuse wire is:

1. \(5~\Omega\) 2. \(0.04~\Omega\)
3. \(0.2~\Omega\) 4. \(0.4~\Omega\)
Subtopic:  Heating Effects of Current |
 86%
From NCERT
AIPMT - 2005
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The total power dissipated in watts in the circuit shown below is:

1. \(16\) W 2. \(40\) W
3. \(54\) W 4. \(4\) W
Subtopic:  Heating Effects of Current |
 87%
From NCERT
AIPMT - 2007
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If the voltage across a bulb rated \((220~\text{V}\text-100~\text{W})\) drops by \(2.5\%\) of its rated value, the percentage of the rated value by which the power would decrease is:
1. \(20\%\)
2. \(2.5\%\)
3. \(5\%\)
4. \(10\%\)

Subtopic:  Heating Effects of Current |
 77%
From NCERT
AIPMT - 2012
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Power consumed in the given circuit is \(P_1\). On interchanging the position of \(3~\Omega\) and \(12~\Omega\) resistances, the new power consumption is \(P_2\). The ratio of \(\frac{P_2}{P_1}\) is:
     

1. \(2\) 2. \(1 \over 2\)
3. \(3 \over 5\) 4. \(2 \over 5\)
Subtopic:  Heating Effects of Current |
 69%
From NCERT
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For the given circuit, the value of the resistance in which the maximum heat is produced is:
          
1. \(2~\Omega\)
2. \(6~\Omega\)
3. \(4~\Omega\)
4. \(12~\Omega\)

Subtopic:  Heating Effects of Current |
 63%
From NCERT
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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. \(\dfrac{a^3R}{3b}\) 2. \(\dfrac{a^3R}{2b}\)
3. \(\dfrac{a^3R}{b}\) 4. \(\dfrac{a^3R}{6b}\)
Subtopic:  Heating Effects of Current |
 56%
From NCERT
NEET - 2016
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A coil heating a bucket full of water raises the temperature by \(5^{\circ}\text{C}\) in \(2\) min. lf the current in the coil is doubled, what will be the change in the temperature of water in \(1\) min? (Assume no loss of heat to the surroundings)
1. \(10^{\circ}\text{C}\) 2. \(5^{\circ}\text{C}\)
3. \(20^{\circ}\text{C}\) 4. \(15^{\circ}\text{C}\)
Subtopic:  Heating Effects of Current |
 61%
From NCERT
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