What is the current in the circuit?
Questão
What is the current in the circuit?
Imagem 1
Circuit diagram showing a 1.5 V battery and a 2 ohm resistor in series with four multiple-choice radio options (1.5, 5, 2, 0.75).
Imagem 2
Equation shown on slide:
Alternativas
1.5
5
2
0.75
Explicação
Pela Lei de Ohm, V = I\cdot R\.
No circuito: e .
Então: [ I = \frac{V}{R} = \frac{1{,}5}{2} = 0{,}75,\text{A} ]
Alternativa correta: (d).