The variable resistor R in the circuit in Fig. P2.25 is
v. equals 60 V. Find the value of R.

Ix is ​​equal =

Use Kirchhoff's laws and Ohm's law to find io in the circuit shown in Fig

The value of Vo is equal to

The power supplied by the 250 V source ?

‏The voltage and current at the terminals of the circuit element in fig are 0 for t<0 for t>=0 they are

‏v = 400e-100t sin 200t V ‏ i = 5e-100t sin 200t A Find the power absorbed by the element at t = 10 ms

total energy absorbed by the element ??