https://www.khanacademy.org/science/ap-physics-2/x0e2f5a2c:electric-circuits/x0e2f5a2c:compound-circuits/v/ee-series-resistors 2021-03-01T15:43:22Z Series resistors Resistors connected head-to-tail are in series. The equivalent overall resistance is the sum of the individual resistance values. Willy McAllister video https://cdn.kastatic.org/googleusercontent/Kmnq8z0uwC3F3vonbIgz2lNKaTZG5OmKTcDF5sB4HphmUopJgL5EdyPIGwAKIzSqiwDrI8z7HBNtw9NyF8RQYHg Series resistors Resistors connected head-to-tail are in series. The equivalent overall resistance is the sum of the individual resistance values. https://cdn.kastatic.org/ka-youtube-converted/P_SELh0dPW0.mp4/P_SELh0dPW0.mp4 717 Electric circuits https://www.khanacademy.org/science/electrical-engineering/ee-circuit-analysis-topic/ee-resistor-circuits/v/ee-parallel-resistors-1 2024-05-29T16:06:43.117180208Z Parallel resistors (derivation) Discover the fascinating world of parallel resistors in electrical circuits! Learn how to identify parallel resistors, understand the concept of shared nodes and voltage, and apply Ohm's law to calculate equivalent resistance. Master the formula for parallel resistors and enhance your circuit analysis skills with real-life examples. Willy McAllister video https://cdn.kastatic.org/googleusercontent/oeBG2M2RDWwN3HrfIOPuhGJ0v85VnioF9-_BgOb3Z_0eh6URgM3vk-G91sLneaXzZHQHQPqVUF7W5rJm9pDE1bCAYA Parallel resistors (derivation) Discover the fascinating world of parallel resistors in electrical circuits! Learn how to identify parallel resistors, understand the concept of shared nodes and voltage, and apply Ohm's law to calculate equivalent resistance. Master the formula for parallel resistors and enhance your circuit analysis skills with real-life examples. https://cdn.kastatic.org/ka-youtube-converted/MHADYILlW1E.mp4/MHADYILlW1E.mp4 668 Electric circuits https://www.khanacademy.org/science/electrical-engineering/ee-circuit-analysis-topic/ee-resistor-circuits/v/ee-parallel-resistors-2 2024-05-29T16:28:55.138729878Z Parallel resistors (derivation continued) Learn how to calculate the equivalent resistance for multiple parallel resistors. This method simplifies complex resistor networks by replacing them with a single equivalent parallel resistor, streamlining circuit analysis and improving efficiency. Grasp the concept of current splitting among resistors and understand that all parallel resistors share the same voltage, making this technique applicable to various electrical engineering scenarios. Willy McAllister video https://cdn.kastatic.org/googleusercontent/AJYVjF6SLWx5J5WoM-tR6mxIBRlbYdawett10QzoWzPI8gF1hemSLU_wO7HaTK3mgCPcUfoKqpo8FppPv9A4GVPd Parallel resistors (derivation continued) Learn how to calculate the equivalent resistance for multiple parallel resistors. This method simplifies complex resistor networks by replacing them with a single equivalent parallel resistor, streamlining circuit analysis and improving efficiency. Grasp the concept of current splitting among resistors and understand that all parallel resistors share the same voltage, making this technique applicable to various electrical engineering scenarios. https://cdn.kastatic.org/ka-youtube-converted/0IeWoAiHbAY.mp4/0IeWoAiHbAY.mp4 255 Electric circuits https://www.khanacademy.org/science/ap-physics-2/x0e2f5a2c:electric-circuits/x0e2f5a2c:compound-circuits/v/ee-parallel-resistors-3 2024-06-22T03:34:22.722178841Z Parallel resistors Practice calculating equivalent resistance for resistors in parallel. In the special case where two equal resistors are in parallel, the equivalent resistance is half their value. Parallel resistance is always smaller than the smallest resistor, as it provides multiple current paths, effectively reducing the overall resistance in the circuit. Willy McAllister video https://cdn.kastatic.org/googleusercontent/_yp9Txe7ke6sminM2CJhZcLANlu5MEHXSzLWz3ITfmYqRQ5-WW-Py6vd7SThvMmbRy_A7FrLGYIbQaLnuQim5d4fww Parallel resistors Practice calculating equivalent resistance for resistors in parallel. In the special case where two equal resistors are in parallel, the equivalent resistance is half their value. Parallel resistance is always smaller than the smallest resistor, as it provides multiple current paths, effectively reducing the overall resistance in the circuit. https://cdn.kastatic.org/ka-youtube-converted/S0AJZjt0sEg.mp4/S0AJZjt0sEg.mp4 561 Electric circuits https://www.khanacademy.org/science/ap-physics-2/x0e2f5a2c:electric-circuits/x0e2f5a2c:compound-circuits/e/finding-equivalent-resistance 2026-04-08T00:36:09.500768563Z Finding equivalent resistance Let's practice calculating the equivalent resistances of given combinations of resistors. Satrajit exercise https://www.khanacademy.org/science/in-in-class10th-physics/in-in-electricity/in-in-series-and-parallel-resistors/e/identifying-types-of-resistor-combinations 2026-04-07T23:17:37.123726494Z Identifying types of resistor combinations Let's practice identifying whether a given combination of resistors is in series or in parallel. Satrajit exercise https://www.khanacademy.org/science/in-in-class-12th-physics-india/in-in-current-electricity/in-in-class12-series-and-parallel-resistor/v/circuits-part-4 2023-09-10T17:11:17.624018169Z Example: Analyzing a more complex resistor circuit Master the art of solving complex circuit problems with this guide. Learn how to simplify circuits by finding equivalent resistances, understand the concept of resistors in series and parallel, and apply Ohm's law to find the current. Sal Khan video https://cdn.kastatic.org/googleusercontent/MZzi82GlOgrYi4A5gUuEEdgFC8Tpp73s0HmEY6pSTjjQjbXFZlSoWePkl8wTvSBrVw5dp3yWFjD3cras_q3k9c0 Example: Analyzing a more complex resistor circuit Master the art of solving complex circuit problems with this guide. Learn how to simplify circuits by finding equivalent resistances, understand the concept of resistors in series and parallel, and apply Ohm's law to find the current. https://cdn.kastatic.org/ka-youtube-converted/3NcIK0s3IwU.mp4/3NcIK0s3IwU.mp4 427 Electric circuits https://www.khanacademy.org/science/ap-physics-2/x0e2f5a2c:electric-circuits/x0e2f5a2c:compound-circuits/v/solved-example-finding-current-voltage-in-a-circuit 2024-05-30T12:20:23.792155721Z Solved example: Finding current and voltage in a circuit Let's learn how to calculate current and voltage across each resistor in a circuit. Mahesh Shenoy video https://cdn.kastatic.org/googleusercontent/scI2_saJ8n2XeVkt-__0eMIasAcY-lHCYaz9l3cAZZYIAHGEUgdr6FqAdWJnwnegPLfrcZszbHiCulITGRRcACI Solved example: Finding current and voltage in a circuit Let's learn how to calculate current and voltage across each resistor in a circuit. https://cdn.kastatic.org/ka-youtube-converted/rkiBof2pvbE.mp4/rkiBof2pvbE.mp4 805 Electric circuits https://www.khanacademy.org/science/ap-physics-2/x0e2f5a2c:electric-circuits/x0e2f5a2c:compound-circuits/e/simplifying-resistor-networks 2026-04-07T23:55:07.30621384Z Simplifying resistor networks Practice problems involving resistors in networks of series and parallel combinations. Satrajit exercise https://www.khanacademy.org/science/ap-physics-2/x0e2f5a2c:electric-circuits/x0e2f5a2c:compound-circuits/e/finding-currents-and-voltages--pure-circuits- 2026-04-07T22:23:57.656416987Z Finding currents and voltages (pure circuits) Let's practice problems involving finding currents and voltages in circuits with pure (series or parallel) combinations of resistors. Satrajit exercise https://www.khanacademy.org/science/in-in-class-12th-physics-india/in-in-current-electricity/in-in-class12-series-and-parallel-resistor/e/finding-currents-and-voltages-mixed-circuits 2026-04-08T00:16:02.937952483Z Finding currents and voltages (mixed circuits) Finding currents and voltages (mixed circuits) exercise