What is the ammeter reading and the current power in the circuit if the voltage is U = 16V, and the resistance

| September 18, 2021 | education

What is the ammeter reading and the current power in the circuit if the voltage is U = 16V, and the resistance of the resistors R1 = 30 ohms, R2 = 60V, R3 = 40Ω, R4 = 120Ω.

The current power in the circuit can be determined by the formula P = UI, where U is the voltage in the circuit, I is the current, P is the power. The current strength according to Ohm’s law I = U \ R, where U is the voltage in the circuit, and R is the resistance.

If all resistors are connected in series, then the total resistance will be found as the sum of all resistances: R = R1 + R2 + R3 + R4, then R = 30 + 60 + 40 + 120 = 250 Ohm

Now we know the voltage and resistance of the circuit, we find the current strength according to Ohm’s law: I = U \ R, I = 16 \ 250 = 0.064 A

Now we can find the power: P = IU, P = 0.064 * 16 = 1.024 W



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