Question

calculate the power used in the 2ohm resistor in each of the following circuit
a)a 6v battery in series with 1ohm and 2 ohm resistor​

Answer 1

Answer:

I think 8watt

Explanation:

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Answer 2

a) Here 1 ohm and 2 ohm are connected in series.

So, equivalent resistance = 1+2 = 3 ohm

voltage of battery = 6V

Then,

Current in the circuit = V/R = 6/3 = 2 amp

Power used in the 2 ohm resistor =

$i ^{2} r$

= 4x2

= 8 W