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In an electrical circuit two resistors of 2 Ω and 4 Ω respectively are connected in series to a 6 V battery.

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In an electrical circuit two resistors of 2 Ω and 4 Ω respectively are connected in series to a 6 V battery. The heat dissipated by the 4 Ω resistor in 5 s will be
(a) 5 J
(b) 10 J
(c) 20 J
(d) 30 J
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(c) 20 J is  The heat dissipated by the 4 Ω resistor in 5 s
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