How To Calculate Current And Voltage In An Electrical Circuit A Step By Guide
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Learn how to calculate current and potential voltage in an electrical circuit in this informative video. Understand the principles behind circuit analysis, resistance, and voltage drops.
- This video explains how to calculate the current and potential voltage in an electrical circuit.
- The circuit consists of points A, B, and C, with a 12-volt battery as a power source.
- The resistance between points A and C is 3 ohms, resulting in a current of 2 amperes and a voltage drop of 6 volts.
- Point B has a similar resistance of 3 ohms, resulting in a voltage drop of -6 volts.
- The potential difference between points A and B is 12 volts, and the current flows from point C to B.
In this instructional video titled "Free Education | Easy way | How to calculate current potential voltage in the circuit? @DrMatScie," we delve into the fundamentals of calculating current and voltage in an electrical circuit. The video introduces the concept of points A, B, and C within the circuit and utilizes a 12-volt battery as the power source. Through a step-by-step analysis, viewers are guided on how to determine the current and potential voltage in this circuit.
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Introduction to the Circuit The video begins by presenting the circuit layout, highlighting the significance of points A, B, and C. It explains that point C is grounded, establishing the reference point for potential difference measurements.
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Resistance Calculation The resistance between points A and C is identified as 3 ohms. This resistance value is crucial for calculating current and voltage in the circuit.
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Current Calculation To calculate the current in the circuit, Ohm's law is applied. The voltage (V) is directly proportional to current (I) and resistance (R). Given that the battery voltage is 12 volts, the video demonstrates how to calculate the current, resulting in 2 amperes of current flowing through the circuit.
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Voltage Drop The video discusses the significance of voltage drops in the circuit. It is revealed that there is a 6-volt voltage drop between points A and C due to the 3-ohm resistance.
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Potential at Point B Moving on to point B, which also has a 3-ohm resistance, the video explains that the voltage drop here is -6 volts. This negative value is due to the reference point being at point C, which has been established as 0 volts.
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Potential Difference Across A and B The video clarifies that the potential difference between points A and B should be 12 volts, as the battery provides a 12-volt source. This result is obtained by subtracting the voltage at point B from that at point A.
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Current Direction The video concludes by discussing the direction of current in the circuit. It explains that the current flows from point C to B, as the voltage at C is connected to the negative side of the battery.
In summary, this video provides a comprehensive guide on how to calculate current and potential voltage in an electrical circuit. By understanding the principles of resistance, Ohm's law, and reference points, viewers can gain valuable insights into circuit analysis. This knowledge is essential for anyone looking to grasp the fundamentals of electrical circuits and their behavior.
For more educational content on electrical circuits and related topics, you can follow DrMatScie.
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