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Current Electricity - Formulae and Concept Video Lecture | Physics for JEE Main & Advanced
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FAQs on Current Electricity - Formulae and Concept Video Lecture - Physics for JEE Main & Advanced
| 1. What is the formula to calculate electric current in a circuit? |  |
| 2. How is electric power calculated in a circuit? | |
Ans. Electric power in a circuit can be calculated using the formula P = IV, where P is the power in Watts, I is the current in Amperes, and V is the voltage in Volts.
| 3. What is the relationship between resistance, current, and voltage in a circuit? | |
Ans. The relationship between resistance (R), current (I), and voltage (V) in a circuit is given by Ohm's Law, which states that V = IR, where V is the voltage, I is the current, and R is the resistance.
| 4. How can the total resistance in a series circuit be calculated? | |
Ans. The total resistance in a series circuit can be calculated by adding up the individual resistances of each component in the circuit. The formula for total resistance in a series circuit is Rtotal = R1 + R2 + R3 + ..., where R1, R2, R3, etc., are the individual resistances.
| 5. What is the concept of electrical conductivity in a material? | |
Ans. Electrical conductivity is a measure of how well a material conducts electricity. Materials with high conductivity allow electric current to flow easily through them, while materials with low conductivity impede the flow of electric current.
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