Two resistors. A of 10Ω and B of 30Ω, are connected in series to a battery of 6 V. The total heat dissipated in the resistors in 1 second is?
A0.45 J
B0.90 J
C4.8 J
D2.4 J
A0.45 J
B0.90 J
C4.8 J
D2.4 J
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Which of the following devices is/are based on heating effect of electric current?