v^2/2 is the formula of _______ which represents electric power in a circuit.
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Power P = V I ..... (1)
from ohms law
V = I R
put this value in equation (1)
P = I^2 R
again , from ohms law
I = V/R
put this value in equation (1)
P = V^2/R.
so, option (b) does not represent power.
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