GSO001 Problem 2

This problem can be solved by applying Ohm's law, the fundamental law of electric circuits.

1. Formula

Ohm's law expresses the relationship between voltage $V$V, current $I$I, and resistance $R$R as:

$$V = I \times R$$V=I×R

2. Substituting Values

Substituting the given constraint values into the formula:

• $I = 3.5\ \text{A}$I=3.5 A
• $R = 42\ \Omega$R=42 Ω

$$V = 3.5\ \text{A} \times 42\ \Omega$$V=3.5 A×42 Ω

3. Calculation

Computing $3.5 \times 42$3.5×42:

$$3.5 \times 42 = \frac{7}{2} \times 42 = 7 \times 21 = 147$$3.5×42=27​×42=7×21=147 $$V = 147\ \text{V}$$V=147 V

Therefore, the voltage is $147\ \text{V}$147 V.

Answer: 147