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A Cell Phone Uses A 3.0 V Battery. The Circuit Board It Uses Needs A 0.05 A Current. What Size Resistor Is Needed To Generate This Current?. Indicate the positive terminal and the voltage of the battery, the positive terminal of the. Use ohm's law ### **ohm's law** states v = ir, where v is voltage, i is current, and r is resistance.
Simple to use ohm's law calculator. V = 3.0 v and i = 0.05 a 4 calculate the resistance: Watch a video answer and view.
What size resistor is needed to. The circuit board it uses needs a 0.05 a current. Use ohm's law ### **ohm's law** states v = ir, where v is voltage, i is current, and r is resistance.
Just enter 2 known values and the calculator will solve for the others. 2 rearranging the formula gives us r = v / i 3 substitute the given values into the formula: We are given a cell phone that uses a 3.0\mathrm {~v} 3.0 v battery.
Here, we want to determine the resistance r r that is needed to generate a current of i=0.05\mathrm {~a} i = 0.05 a. R = 3.0 v / 0.05 a = 60 ω 【solved】### 60 \, \omega explanation ## step1:
Calculate power, current, voltage or resistance. Watch a video answer and view. According to ohm's law, the potential difference between the two ends of the conductor is equal to the product of electric current and the resistance generated.
Indicate the positive terminal and the voltage of the battery, the positive terminal of the. Your solution’s ready to go! Calculating resistance a cell phone uses a 3.0v battery.
