A rigid container with- thermally insulated walls contains a gas and a coil of resistance 50 - carrying a current of 1 A- The change in internal energy of the gas after 2 minutes will be

The correct option is A 6 kJThe given parameters are R = 5 Ω i=1 A t= 2min = 2 × 60 = 120 s We know that H= i^2Rt H= (1)^2 × 50 × 120 ...

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Standard XII

Physics

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A rigid conta...

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A rigid container with, thermally insulated walls contains a gas and a coil of resistance $50 Ω$ carrying a current of $1 A$ . The change in internal energy of the gas after $2$ minutes will be

6 kJ

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10 kJ

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3 kJ

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12 KJ

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1.5 kJ

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Solution

The correct option is A 6 kJ
The given parameters are-
$R = 5 Ω$
$i = 1 A$
$t = 2 m i n = 2 \times 60 = 120 s$
We know that
$H = i^{2} R t$
$H = (1)^{2} \times 50 \times 120$
$H = 6000 J$
$H = 6 \times 10^{3} J = 6 k J$

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A rigid container with, thermally insulated walls contains a gas and a coil of resistance 50Ω carrying a current of 1 A. The change in internal energy of the gas after 2 minutes will be

The correct option is A 6 kJThe given parameters are-R=5Ωi=1At=2min=2×60=120sWe know thatH=i2RtH=(1)2×50×120H=6000J H=6×103J=6kJ

A rigid container with, thermally insulated walls contains a gas and a coil of resistance $50 Ω$ carrying a current of $1 A$ . The change in internal energy of the gas after $2$ minutes will be

The correct option is A 6 kJ
The given parameters are-
$R = 5 Ω$
$i = 1 A$
$t = 2 m i n = 2 \times 60 = 120 s$
We know that
$H = i^{2} R t$
$H = (1)^{2} \times 50 \times 120$
$H = 6000 J$
$H = 6 \times 10^{3} J = 6 k J$