Four resistors are connected as shown. The battery has zerointernal resistance. The circuit elements have the followingvalues:

R0 = unknown
R1 = 8 W
R2 = 2 W
R3 = 4 W
E = 20 V

The current I in the circuit is measured to be 9.2A.

(a) Calculate the currents through each of the resistorsR1, R2, andR3 with the positive direction taken as left toright in the diagram.

I1 = A    

I2 = A    

I3 = A    

(b) Find the unknown resistance.

R0 = W    

(c) Calculate the potential difference Vc -Vb between point c and pointb.

Vc - Vb = V    

(d) Find the rate of heat production inR1.

H1 = W    

(e) Find the power delivered by the battery.

PE = W


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