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Resistors In Series & Parallel Video Lecture | Crash Course: Class 10

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FAQs on Resistors In Series & Parallel Video Lecture - Crash Course: Class 10

1. What is the difference between resistors in series and resistors in parallel?
Ans. Resistors in series are connected one after the other in a single path, while resistors in parallel are connected side by side in multiple paths. In series, the total resistance is the sum of individual resistances, whereas in parallel, the reciprocal of the total resistance is the sum of the reciprocals of individual resistances.
2. How do resistors in series affect the current flow?
Ans. In a series circuit, resistors reduce the total current flow. The current passing through each resistor is the same, and the total resistance is the sum of individual resistances. As a result, resistors in series increase the overall resistance, which in turn reduces the current flowing through the circuit.
3. How do resistors in parallel affect the total resistance?
Ans. In a parallel circuit, resistors decrease the total resistance. The voltage across each resistor is the same, and the reciprocal of the total resistance is the sum of the reciprocals of individual resistances. As a result, resistors in parallel create additional paths for current flow, reducing the overall resistance of the circuit.
4. Can resistors in series and parallel be combined in a circuit?
Ans. Yes, resistors can be combined in a circuit using series and parallel connections. This allows for more complex circuits with different combinations of resistors to achieve desired resistance values. The rules for calculating the total resistance depend on the arrangement of the resistors in the circuit.
5. How can resistors in series and parallel be used practically?
Ans. Resistors in series and parallel can be used in various practical applications. For example, resistors in series can be used in voltage dividers to obtain specific voltage levels. Resistors in parallel can be used to increase the total current capacity of a circuit. Additionally, combinations of resistors in series and parallel can be used to create complex circuits for a wide range of applications, such as in electronic devices and electrical systems.
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