At the end of this module, you will be able to calculate the relationship between resistance, voltage and current using Ohm's Law.
Textbook: DC/AC Principles: Analysis and Troubleshooting - Chapter 3 Ohm's Law
Ohm's Law provides a simple mathematical relationship between Resistance, Current and Voltage.
The relationship is expressed as:
V = I x R
A Series Circuit has a current I = 10 mA flowing through a resistor R1 = 5 Kohm. What is the voltage of the Voltage Source Vs ?
Using Ohm's Law:
V = I x R
We can substitute the values for the current I and the resistance R1 in the above equation.
V = 10 mA x 5 Kohms = 50 Volts
1. True or False
Ohm's Law provides a simple mathematical relationship between Voltage, Current and Resistance in an electric circuit.
2. Ohm's Law states that:
3. What would be the effect on the current flowing through a resistor if the resistance increased while the voltage remained constant?
4. If the applied voltage Vs is 85 Volts and R1 = 9 Kohm, solve for the circuit current:
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