## Lab – Ohm’s Law (Answers Version)

**Answers Note**: Red font color or gray highlights indicate text that appears in the instructor copy only.

Answer the following questions based on electricity and Ohm’s Law. Show all steps when solving problems.

**Answers Note**: Many of the formulas in this activity are beyond the scope of this course for many students. It is recommended to guide students through this activity if it will be used.

Type your answers here.

**Voltage (V), Volt (V)**

**Current (I), Amps (A)**

**Resistance (R), Ohms ()**

**Power (P), Watts (W)**

Type your answers here.

**V = IR**

I = *Type your answers here.*

R = *Type your answers here.*

**I = V/R R = V/I**

P = V *Type your answers here.*

P = R *Type your answers here.*

P = V^{2} *Type your answers here.*

**P = VI P = RI ^{2} P = V^{2}/R**

Type your answers here.

**I = P/V = 60W/12V = 5A**

Type your answers here.

**P = V2/R = 3.3V X 3.3V/.25 = 43.56W**

Type your answers here.

**V = P/I = 120W/24A = 5V**