If each resistor in the circuit shown is 5.0 ω and the battery is 12.0 v, what does the first ammeter (a1) read? a. 0.12 v b. 0.48 v c. 0.96 v d. 24 v

The first ammeter reads 0.96 A.

Explanation:

From the attached figure,

Resistance of all resistors, R₁ = R₂ = R₃ = R₄ = 5 Ω

Voltage of the battery, V = 12 V

First we will find the total resistance of the circuit,

R₂ and R₃ are in parallel. So,

Now R₁, R₂₃ and R₄ are in series.

So,

Now we have to find the current across the first ammeter.

So, I = 0.96 A

Hence, the correct option is (c) " 0.96 A"

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