An ideal voltmeter and an ideal ammeter are connected as shown. The amount of heat produced in $10 Ω$ and $5 Ω$ resistors are _____ respectively

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$\frac{2000}{9} J, \frac{1000}{9} J$

0J,0J

$\frac{1000}{9} J, 0 J$

$\frac{1000}{9} J, \frac{2000}{9} J$

answer is D.

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Detailed Solution

An ideal voltmeter offers infinite resistance, then it acts as open circuit. Therefore current through $10 Ω$ is zero
$∴$ no heat is generated at $10 Ω$ an ideal ammeter offers zero resistance therefore ammeter acts as short circuit . So no current passes through $5 Ω$ resistor.
$∴$ no heat is generated at $5 Ω$ .