A traveling wave on a taut string with a tension force Tis given by
the wave function: y(x, t) =
0.1sin(4x+100t), where x and y
are in meters and t is in seconds.
The linear mass density of the
string is p = 0.1 Kg/m. If the
tension is reduced by a factor of
two, while keeping the same
amplitude, same frequency, and
doubling the linear mass density,
then the new power of the
wave, is​

Idont understand the question

Ithink it is c ,i hope i you

The answer is as follows in the photo

Ohm's law tells you that i = v/r where v is equivalent voltage and r is equivalent resistance of the circuit
since all circuits have the same voltage, your question is really asking which circuit has the lowest total resistance, since the lower the resistance, the higher the current
circuit a has a resistance of 5 ohms; circuit c is in series so has a resistance of 10 ohms; circuit b is in parallel and therefore has a resistance of 2.5 ohms (review your notes on adding resistances in parallel and series); therefore b has the highest current