If power dissipated in the 9 ohm resistor
Asked by admin @ in Physics viewed by 364 People
The power dissipated in the 9 ohm resistor is the circuit shown is 36 watt the potential difference across the 2 ohm resistor is
Answered by admin @
Current flows through the 9 Ω resistor is
l21=36/9=4(As P=l2R)
l1=2A
Like the resistors, 9 Ω and 6 Ω are connected in parallel for the circuit is.
The potential difference across them it will be the same follows.
9I1=6I/2
l2=9×26=3A
Current drawn from the battery is
I=I1+I2=(2+3) A=5 A
Therefore the potential difference between the 2 Ω resistor is
=(5 A)(2 Ω)=10 V
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