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What would be the correct calculated total resistance of the series circuit?
To calculate the total resistance we use the formula:
- RT = R1 + R2 + R3.
- 2 + 2 + 3 = 7 Ohms.
- R total is 7 Ohms.
What is the correct formula for resistance?
Resistance has units of ohms (Ω), related to volts and amperes by 1 Ω = 1 V/A. There is a voltage or IR drop across a resistor, caused by the current flowing through it, given by V = IR.
How do you find the total resistance in a parallel circuit?
To find the total resistance of a parallel circuit you would divide one by each of the resistors. Next add them up and once again divide one by your final answer. For example, if you have a 25ohm, 30ohm, and 18ohm set of resistors you would do the following. 1/25 + 1/30 + 1 /18 = .04 + .0333 + .0555 = 0.1288.
What is the formula for effective resistance?
i.e. the reciprocal of the effective resistance is equal to sum of the reciprocals of the individual resistances. If there are only two resistors, the above formula reduces to: Rab = (R1*R2) / ( R1+ R2) e.g., if two 1K resistors are connected in parallel, the effective resistance is (1*1)/(1+1)= 1/2 = 0.5K=500 ohm.
What is the formula for electrical resistance?
Calculation of Resistance Using Ohm’s Law. The electrical resistance of a conductor can be calculated with Ohms law when the current and the voltage drop across it is known. The formula to calculate the resistance using Ohm’s Law is given as follows: \\(R=\\frac{V}{I}\\) where R is the resistance of the resistor R in ohms (Ω),
What is the total resistance of a series circuit?
Total series resistance. The total series resistance of a series circuit is equal to the sum of the resistance of each individual series resistor.When resistors are connected in series ,the resistor values add because each resistor offers opposition to the current in the direction proportion to its resistance.A greater number…