Calculation of resistor
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This document discusses different types of resistors and Ohm's Law. It provides examples of calculating resistance from voltage and current values. It also shows how to determine resistance values and tolerances from color bands on resistors.
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Calculation of resistor
- 3. 1) Carbon Resistor. 2) Wire-wound 3) Thermostat. 4) Light Dependent Resistors. 5) Variable Resistor.
- 5. Third Version of the (resistance) formula: R = V / I
- 6. A small Radio draws a current of 0.80 A when the power supply produces a potential difference of 110 V. What is the resistance of the Radio? R = ? V = 110 volts I = 0.80 amps 137.5Ω
- 7. Calculate the resistance by Ohms law
- 10. Solution : Nominal value= 10102 = 1,000 Tolerance = 5%. ___ ___ 10 ____ %1 Brown =1 0 Black =0 2 Red =2 5 Gold = 5%
- 12. Solution: ___ ___ 10 ____ % Resistor nominal value= 39105 = 3,900,000 = 3.9M. Orange =3 3 White =9 9 Green =5 5 Silver = 10% 10 Tolerance = 10%
- 14. 1st Band = 1st Significant Digit 2nd Band = 2nd Significant Digit 3rd Band = 3rd Significant Digit 4th Band = Multiplier 5th Band = Tolerance ___ ___ ___ 10 ____ %