Each battery is a 1.5 V cell. If the resistance of the bulb in circuit 3 is 1 ohm (Ω), what is the current passing through the light bulb in circuit 3?

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I = E/R

To find the current passing through the light bulb in circuit 3, you need to apply Ohm's Law, which states that the current (I) flowing through a circuit is directly proportional to the voltage (V) and inversely proportional to the resistance (R).

Ohm's Law formula is: I = V / R

In this case, the voltage is provided as 1.5 V, and the resistance of the bulb is given as 1 Ω. Plugging these values into the formula:

I = 1.5 V / 1 Ω

Simplifying the equation, we get:

I = 1.5 A

So, the current passing through the light bulb in circuit 3 is 1.5 Amperes.