1983B3. The circuit shown above is constructed with two batteries and three resistors. The connecting wires may be considered to have negligible resistance. The current I is 2 amperes.
a. Calculate the resistance R .
b. Calculate the current in the
i. 6-ohm resistor
ii. 12 -ohm resistor
c. The potential at point X is 0 volts. Calculate the electric potential at points B . C , and D in the circuit.
d. Calculate the power supplied by the 20 -volt battery.