In the circuit shown below the 4 bulbs are identical and have a resistance of 13

Question

In the circuit shown below the 4 bulbs are identical and have a resistance of 135 O each. The battery supplies a voltage of 25 V. S1. S2, and S3 represent switches.
http://www.webassign.net/ncsuplseem2/4-post-06.gif
(a) S1 and S2 are closed while S3 is open. What is the current through each bulb?
Bulb 1 =
Bulb 2 =
Bulb 3 =
Bulb 4 =

(b) S3 is closed while S1 and S2 are open. What is the current through each bulb?
Bulb 1 =
Bulb 2 =
Bulb 3 =
Bulb 4 =

(c) S2 and S3 are closed while S1 is open. What is the current through each bulb?
Bulb 1 =
Bulb 2 =
Bulb 3 =
Bulb 4 =

(d) S1 and S3 are closed while S2 is open. What is the current through each bulb?
Bulb 1 =
Bulb 2 =
Bulb 3 =
Bulb 4 =

(e) All three switches are closed. What is the current through each bulb?
Bulb 1 =
Bulb 2 =
Bulb 3 =
Bulb 4 =

Explanation / Answer

(c) part current I=45/200=0.225 amp Bulb 1 0.225 amp Bulb 2 0.1125 amp Bulb 3 0.225 amp Bulb 4 0.1125 amp

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