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1 explain the basic features of electricity at a

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1. Explain the basic features of electricity at a fundamental level?

2. What part of a cable are insulators and conductors?

3. Describe, in terms of charged particles, why some objects are electrically attracted to each other, while others repel each other?

4. Explain the flow of direct current?

5. describe the effect of resistance in circuits?

6. Work out the voltage for the subsequent arrangement of 1.5V cells: (to achieve a pass grade, solve problems with cells in series, parallel and series-parallel)

7. Determine the unknown values in the subsequent table:

8. Determine the combined resistance of three resistors connected in series with resistance of 20 ohm, 30 ohm and 40 ohm?

9. Evaluate the combined resistance of the resistors shown in this circuit:

10. Determine the combined resistance of the resistors shown in this circuit:

11. Name two materials that are magnetic and two that are non-magnetic?

12. Explain magnetic induction

13. Describe what is meant by "Magnetomotive" force?

14. Explain the magnetic effects of current?

15. Complete the diagram to show the direction of motion of the conductor:

16. Describe how relay work? :

17. Elaborate how AC is generated? :

18. Complete the diagram to show the missing angles:

19. Evaluate the unknown in the following table:

20. Evaluate the unknown in the following table:

21. A circuit has a voltage of 15V and a current of 2A. the phase angle is 45 degree. Determine the true power of the circuit? (to achieve a pass grade, calculate apparent and true power)

22. Evaluate the apparent power for the circuit in question 21 (to achieve a pass grade, calculate apparent and true power)

Reference no: EM13347669

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