Question

1. 200 micro coulomb charge passes through a wire in 1.0 millisecond. Find the value of average current in the wire.

2. 0.5 ampere current flows through a conductor when 2 volt potential difference is applied to its ends.find the resistance of the conductor.

3. A current of 0.2 ampere is flowing through a conductor of resistance 24 ohm. What is the potential difference between the terminals of the conductor ?

4. The resistance of a conductor is 5.0 ohm. Find the potential difference produced when a current of 0.5 ampere flows through it.

5. What will be the ratio of equivalent resistances of three resistances of 2 ohm each, when they are connected in series and parallel respectively ?

6. Wires of 2 and 3 Q2 resistance are connected in parallel. Find their resultant resistance.

7. Two resistances are of 4 ohm and 12 ohm. How much current will flow in the circuit on
them with a cell of 10 volt, if resistances are connected (i) in series, (ii) parallel arrangements ?


8. How will the four coils of 4 ohm, 8 ohm, 12 ohm and 24 ohm resistance will be arranged (connected)
so that (i) maximum, (ii) minimum resistance may be obtained from the arrangement. Also draw
the diagram.

9. A wire of what resistance must be connected in parallel to a wire of 5 ohm resistance? So that the resultant resistance of 4 ohm may be obtained.

Hint: 1/4=1/R1+1/5

10. Four resistance of 10,4,6 and 5 ohm are connected in series. A potential difference of 7.5 volt is applied between the terminals of this arrangement. Find the current and potential difference in each resistance.​

Answer 1

Answer:

200 micro coulomb charge passes through a wire in 1.0 millisecond. Find the value of average current in the wire.

2. 0.5 ampere current flows through a conductor when 2 volt potential difference is applied to its ends.find the resistance of the conductor.

3. A current of 0.2 ampere is flowing through a conductor of resistance 24 ohm. What is the potential difference between the terminals of the conductor ?

4. The resistance of a conductor is 5.0 ohm. Find the potential difference produced when a current of 0.5 ampere flows through it.

5. What will be the ratio of equivalent resistances of three resistances of 2 ohm each, when they are connected in series and parallel respectively.

Explanation:

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