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Parallel Circuits

Q1:
In the given circuit, Channel 1 of the stereo amplifier outputs 12 V to the speakers. How much total current is the amplifier providing to the speakers?

A 0 A

B 1.5 A

C 3 A

D More information is needed to find the total current provided to the speakers.

ANS:C - 3 A

The two speakers are connected in parallel.

So, Rp= 4Ω.

According to Ohm's law:
I = v/r,
12/4=3 A.



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