https://www.khanacademy.org/science/karnataka-bridge-course-class-12th-physics/x314b60cd774aae75:electricity/x314b60cd774aae75:electric-current-and-potential/v/electric-current-and-circuit-electricity-class-10-physics-khan-academy 2023-08-18T12:14:27.329699533Z Electric current and circuit Let's explore what an electric circuit and electric current is. Electric current is the rate of flow of charges. We will learn the formula to calculate it. And solve a couple of examples Mahesh Shenoy video https://cdn.kastatic.org/googleusercontent/ZCdwTudJg6e6n-P2gsaUborP4izvMsGo71pvEVlX9dNYWcLXcP7VHkWpn2grt4TUP1KoJLQP9NswyHBuBLSFTBw Electric current and circuit Let's explore what an electric circuit and electric current is. Electric current is the rate of flow of charges. We will learn the formula to calculate it. And solve a couple of examples https://cdn.kastatic.org/ka-youtube-converted/8Wjs7OGIQJ8.mp4/8Wjs7OGIQJ8.mp4 290 Electric Current https://www.khanacademy.org/science/karnataka-bridge-course-class-12th-physics/x314b60cd774aae75:electricity/x314b60cd774aae75:electric-current-and-potential/v/electric-potential-potential-difference 2023-08-18T12:14:27.329699533Z Electric potential & potential difference Let's explore what potential difference is. We will learn how to calculate it, its formula, and solve a couple of examples. Mahesh Shenoy video https://cdn.kastatic.org/googleusercontent/ZCdwTudJg6e6n-P2gsaUborP4izvMsGo71pvEVlX9dNYWcLXcP7VHkWpn2grt4TUP1KoJLQP9NswyHBuBLSFTBw Electric potential & potential difference Let's explore what potential difference is. We will learn how to calculate it, its formula, and solve a couple of examples. https://cdn.kastatic.org/ka-youtube-converted/OQOY6ZkvZTs.mp4/OQOY6ZkvZTs.mp4 342 Electric Current https://www.khanacademy.org/science/in-in-class10th-physics/in-in-electricity/in-in-electric-potential-potential-difference/v/solved-example-potential-difference-work-done 2020-06-23T07:22:41Z Solved example: Potential difference & work done Let's solve a couple of numerical on potential difference (voltage) and work done.  Mahesh Shenoy video https://cdn.kastatic.org/googleusercontent/7fMfS280Cct1pSjoogwnytVmuv9Vp4EIzbCdlu6BhdJpRFGQaURH5VRtjbIO-4jbABFgpMF32AM2EUJa7mKxNrZM Solved example: Potential difference & work done Let's solve a couple of numerical on potential difference (voltage) and work done.  https://cdn.kastatic.org/ka-youtube-converted/HwVjzpSxC6I.mp4/HwVjzpSxC6I.mp4 306 Electric Current https://www.khanacademy.org/science/in-in-class10th-physics/in-in-electricity/in-in-circuits-ohms-law-resistance/v/solved-example-ohms-law-graph 2020-06-23T07:22:42Z Solved example: (Ohm's law graph) Let's see how to compare the resistance of materials from V-I graphs. Mahesh Shenoy video https://cdn.kastatic.org/googleusercontent/005k8cDyYpKGNTuD8h-NqYcqpn5MbZ-ex19zTVWJ9b4-wqhe72lJDv2Y3sXuTt_8aHd_If4IohzU8yUgNhhfn-jtSQ Solved example: (Ohm's law graph) Let's see how to compare the resistance of materials from V-I graphs. https://cdn.kastatic.org/ka-youtube-converted/VbAh3BJZ13U.mp4/VbAh3BJZ13U.mp4 408 Electric Current https://www.khanacademy.org/science/ap-physics-2/x0e2f5a2c:electric-circuits/x0e2f5a2c:current-resistivity-ohms-law/v/resistivity-and-conductivity 2023-09-10T17:11:17.624018169Z Resistivity and conductivity Let's look at the properties of materials that cause a resistor to resist the flow of current. Explore the principles of Ohm's law, resistance, and resistivity in electrical circuits. Understand how resistance is defined by voltage and current, and how it remains constant in Ohmic materials. Discover the factors that influence resistance, including the length, cross-sectional area, and material of a resistor. David SantoPietro video https://cdn.kastatic.org/googleusercontent/-RlW8oVnlZWWOXxxRFGIP8eQTs9MZL5s5D8ukkvjimXnLYaLbIYOgBrIyt0QZKF69KItib1LU4Ie6iVJcPr2iA_B Resistivity and conductivity Let's look at the properties of materials that cause a resistor to resist the flow of current. Explore the principles of Ohm's law, resistance, and resistivity in electrical circuits. Understand how resistance is defined by voltage and current, and how it remains constant in Ohmic materials. Discover the factors that influence resistance, including the length, cross-sectional area, and material of a resistor. https://cdn.kastatic.org/ka-youtube-converted/4rsswT_Rv1M.mp4/4rsswT_Rv1M.mp4 722 Electric Current https://www.khanacademy.org/science/karnataka-bridge-course-class-12th-physics/x314b60cd774aae75:electricity/x314b60cd774aae75:resistance-in-circuits/v/equivalent-resistance-current-and-voltage-in-pure-circuits 2023-08-18T12:14:27.329699533Z Equivalent resistance, current and voltage in pure circuits Let's explore how to calculate equivalent circuits for a pure series and a pure parallel circuit. We will also explore how to calculate currents/voltages across a resistor in such circuits. Mahesh Shenoy video https://cdn.kastatic.org/googleusercontent/ZCdwTudJg6e6n-P2gsaUborP4izvMsGo71pvEVlX9dNYWcLXcP7VHkWpn2grt4TUP1KoJLQP9NswyHBuBLSFTBw Equivalent resistance, current and voltage in pure circuits Let's explore how to calculate equivalent circuits for a pure series and a pure parallel circuit. We will also explore how to calculate currents/voltages across a resistor in such circuits. https://cdn.kastatic.org/ka-youtube-converted/DXtkhJU0JIE.mp4/DXtkhJU0JIE.mp4 519 Electric Current https://www.khanacademy.org/science/karnataka-bridge-course-class-12th-physics/x314b60cd774aae75:electricity/x314b60cd774aae75:resistance-in-circuits/v/solving-a-mixed-circuit-example-1 2023-08-18T12:14:27.329699533Z Solving a mixed circuit Let's learn to solve a mixed circuit where some resistors are connected in series while others in parallel. Mahesh Shenoy video https://cdn.kastatic.org/googleusercontent/ZCdwTudJg6e6n-P2gsaUborP4izvMsGo71pvEVlX9dNYWcLXcP7VHkWpn2grt4TUP1KoJLQP9NswyHBuBLSFTBw Solving a mixed circuit Let's learn to solve a mixed circuit where some resistors are connected in series while others in parallel. https://cdn.kastatic.org/ka-youtube-converted/kam2D9qE6MM.mp4/kam2D9qE6MM.mp4 296 Electric Current https://www.khanacademy.org/science/in-in-class10th-physics/in-in-electricity/in-in-electric-power-and-heating-effect-of-current/v/solved-example-calculating-power-heat-dissipated 2020-06-23T07:22:40Z Solved example - Calculating power & heat dissipated Let's solve some numerical on electric power and heat dissipated. Mahesh Shenoy video https://cdn.kastatic.org/googleusercontent/Ikcqm_jfjAPU9JPynvKJN5NVxuS4P_dA7yojRnFZn6WF5YoTJbXyv8W8LUNU6CisWex4qk-aOxNXSCVSFUS6Z6AP Solved example - Calculating power & heat dissipated Let's solve some numerical on electric power and heat dissipated. https://cdn.kastatic.org/ka-youtube-converted/iF_fdCbX4zk.mp4/iF_fdCbX4zk.mp4 646 Electric Current https://www.khanacademy.org/science/in-in-class10th-physics/in-in-electricity/in-in-electric-circuit-with-bulbs/v/solved-example-power-dissipated-in-bulbs 2020-06-23T07:22:40Z Solved example: Power dissipated in bulbs Let's tackle questions in which we have circuits with devices (like bulbs) whose power ratings are mentioned.  Mahesh Shenoy video https://cdn.kastatic.org/googleusercontent/MIDYypfGwLpR7RzIO8NstuluzrCVaJN15kySHEutTRffQUm6mAUmVsa5qzxRZ9pzV-VvAXZBSUrmAilAS0GyoSk Solved example: Power dissipated in bulbs Let's tackle questions in which we have circuits with devices (like bulbs) whose power ratings are mentioned.  https://cdn.kastatic.org/ka-youtube-converted/D_XfzpoeieI.mp4/D_XfzpoeieI.mp4 772 Electric Current https://www.khanacademy.org/science/in-in-class10th-physics/in-in-electricity/in-in-commercial-unit-of-electrical-energy/v/solved-example-cost-of-operation-of-electrical-device 2020-06-23T07:22:40Z Solved example - Cost of operation of electrical device Let's calculate the cost of operating an electrical device for a specific duration.  Mahesh Shenoy video https://cdn.kastatic.org/googleusercontent/o3ebZOhWF4ogocMAUbY73-RXDyUN2YuYGe0aFGlgUutIcSLz5keoaVkys4MNriASDctvMNCvm74sRrTqoVatlps Solved example - Cost of operation of electrical device Let's calculate the cost of operating an electrical device for a specific duration.  https://cdn.kastatic.org/ka-youtube-converted/_A1ww8WQhu0.mp4/_A1ww8WQhu0.mp4 571 Electric Current https://www.khanacademy.org/science/odisha-board-preparation-class-10in/x3c214daca98fdd3d:week-3/x3c214daca98fdd3d:electricity/e/electricity 2026-04-07T23:55:07.30621384Z Electricity/Electric Current Let's practice vibhor exercise