a) On the diagram above label the conventional current I from the battery with a

Question

a) On the diagram above label the conventional current I from the battery with an arrow showing its direction.

b) Find the equivalent resistance of the circuit. Show all work.

c) Find the magnitude of the current in R1, R2 and R3. Show all work.

d) Find the power supplied by the battery.

Where: V=30V,R1= 15 omega,R2 = 20 omega, R3 = 25 omega, a) On the diagram above label the conventional current I from the battery with an arrow showing its direction. b) Find the equivalent resistance of the circuit. Show all work. c) Find the magnitude of the current in R1, R2 and R3. Show all work. d) Find the power supplied by the battery.

Explanation / Answer

a) The conventional current is the current from positive to negative terminal. The arrow on the negative side of the above figure is the true direction of the conventional current.

b) Req = R1+ (R2R3 / R2+R3)

=15+ (11.11)

= 26.11Ohm

c) I1= 30/15= 2A

I2= 30/20=1.5A

I3= 30/25 = 1.2A

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