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Assignment:Electricity(Class X)

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04/05/2018 0 0

Q1. How much energy is given to each coulomb of charge passing through a 6V battery? Ans:6J

Q2. How much work is done in moving a charge of 2C across two points having a potential difference of 20 volts of a conductor having a current flow of 2 amp for 10 seconds? Ans: 4J

Q3. Calculate no. of electrons constituting one coulomb of charge. Ans: 6.25*10¹⁸

Q4. When a 12 V battery is connected across an unknown resistor, there is a current of 2.5 mA in the circuit. Find the value of the resistance of the resistor. Ans: 4.8 kâ?¦

Q5. What potential difference is needed to send a current of 5A through the electrical appliance having a resistance of 18â?¦. And: 90v

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