Please answer all with steps :(((((

4. Direct-current circuit with more than one loop (a) Assign independent currents in the following circuit with the proper application of the Junction rule; (b) Identify independent loops in the circuit and apply the Loop rule to nd the linear equation set for the assigned currents; (c) Find the direction and magnitude of the currents through 2Q resistor and 69; (d) Find the potential difference Vac = Va VG. 3. Electric current in a simple direct-current circuit In the following direct-current circuit, (a) Find the magnitude and direction of the current in the circuit; (b) Find the potential difference Vcal = VC Va. 61 = 9V