Nootan Kumar Mittal ISC Class 12th PHYSICS Chapter-6 DC Current and Measurements NUMERICAL SOLUTION ( part II).

    DC Current and Measurements

         NUMERICAL SOLUTION

1) A cell has an emf of  5.0 V------------------------------PD across the terminals of the cell.

And.1

2. The potential difference of a cell in an open circuit------------------------------. Calculate the EMF and internal resistance of the cell.

Ans. 2 

3. The EMF of a cell is 0.2 V.-----------------------------. the internal resistance of Tata and the current is 25 resistor?

Ans. 3

4. The potential difference across----------------------------. Find the EMF and internal resistance of the cell.

Ans.4

5. A battery supplies a current of------------------------internal resistance of the battery.

Ans.5

7. A high-resistance voltmeter connected-----------------------------------------.of ammeter plus the connecting wires.

Ans.7

8. In the circuit shown,-------------------------------------------------------------.value of R.

Ans.8

9. A 10V battery of negligible internal-----------------------------------------------------.What is the value of the charging current?

10. Two batteries of emf's--------------------------------- the batteries  during charging?

Ans.10

11. calculate the current drawn from the battery in the given network.

Ans.11

12. Find the value of resistance---------------------------------------. At the same potential.

Ans.12

13. 

Ans.13

14. 

Ans.14

16. Calculate in the given combination--------------------------------------------. Current in the various resistors.

Ans.16

17. Calculate the voltage drop----------------------------------is 60V.

Ans.17

18. Find, in the given circuit,-----------------------------value of R.