How much power is produced if a voltage of $2 V$ $2 V$ is applied to a circuit with a resistance of $10 Omega$ ?

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Answer 1 · 2018-07-30T13:24:09

The power is $=0.4W$

The power is

$"Power (W) "="Voltage (V) " xx" Current (A)"$

$P=UI$

And

Ohm's Law is

$"Voltage (V)"= " Current (A) " xx " Resistance "( Omega)$

$U=RI$

The voltage is $U=2V$

The resistance is $R=10 Omega$

The current is

$I=U/R=2/10=0.2A$

The power is

$P=2xx0.2=0.4W$

How much power is produced if a voltage of 2 V2V2 V is applied to a circuit with a resistance of 10 Omega10 Omega?