CBSE Area

1. How much work is done in moving a charge of 2 C across two points having a potentialdifference of 12 V? 2. A wire of resistance R is cut into five equal pieces. These five pieces of wire are then connected in parallel. If the resultant resistance of this combination be R then the ratio of resultant to the original will be? 3. A radio set draws a current of 0.36 A for 15 minutes. Calculate the amount of electriccharge that flows through the circuit. 4. Potential difference between two points of a wire carrying 2 ampere current is 0.1 volt.Calculate the resistance between these points. 5. A simple electric circuit has a 24 V battery and a resistor of 60 ohms. What will be the current in the circuit? The resistance of the connecting wires is negligible. 6.Find resistance between A and B in following network Find resistance between A and B in following network[10th chapter Electricity]    To Get Complete Question,   Click Here You might also like: CBSE class 10 Physics Que...

NUMERICAL - Electricity and its effects For (Class X) 1. A resistance of 6 ohms is connected in series with another resistance of 4 ohms. A potential difference of 20 volts is applied across the combination. Calculate the current through the circuit and potential difference across the 6 ohm  resistance. 2. Calculate the number of electrons constituting one coulomb of charge per second through any cross section of a conductor. 3. How much work is done in moving a charge of 2 C across two points having a potential difference of 12 V ? 4. How much energy is given to each coulomb of charge passing through a 6 V battery ? 5. Calculate the work done in moving a charge of 5 Coulombs from a point at a potential of 210 Volts to another point at 240 Volts. 7. When a particle of charge 10 �C is brought from infinity to a point P, 2.0 mJ work is done by the external forces. What is the potential at P ? 9. How many electrons pass through a lamp in one minute if the current be 200 mA? 10. Calcu...