Download 1. When a glass rod is rubbed with silk and becomes

yes no Was this document useful for you?
   Thank you for your participation!

* Your assessment is very important for improving the work of artificial intelligence, which forms the content of this project

Document related concepts

Buck converter wikipedia, lookup

Resistive opto-isolator wikipedia, lookup

Transformer wikipedia, lookup

Ground (electricity) wikipedia, lookup

Electrical ballast wikipedia, lookup

Current source wikipedia, lookup

Electrical substation wikipedia, lookup

Opto-isolator wikipedia, lookup

Power engineering wikipedia, lookup

Electrification wikipedia, lookup

Stepper motor wikipedia, lookup

Mains electricity wikipedia, lookup

Stray voltage wikipedia, lookup

History of electromagnetic theory wikipedia, lookup

History of electric power transmission wikipedia, lookup

Single-wire earth return wikipedia, lookup

Ohm's law wikipedia, lookup

Circuit breaker wikipedia, lookup

Electric machine wikipedia, lookup

Alternating current wikipedia, lookup

Metadyne wikipedia, lookup

Earthing system wikipedia, lookup

1. When a glass rod is rubbed with silk and becomes positively charged, Why?
2. The resistance of an insulator is _____________________________________
3. Appliances connected so that they form a single pathway for charges to flow are
connected in a(n) _________________________________________________
4. Positive charges ____________ one another.
5. Which of the following is a negatively charged particle?
6. A(n) ______________ is a solution that conducts electricity.
7. Conventional current is defined as the movement of ________________________
8. ___________________ is the opposition posed by a material to the flow of current.
9. Individual components in a parallel circuit experience the same
10. A circuit breaker acts as a switch creating a(n) ________ circuit when current is too high.
11. There is a repulsive force between two charged objects when _____________________
12. Batteries typically have ________________ terminals.
13. Resistance is caused by ____________________________________________
14. The SI unit of resistance is the _______________________________________
15. There is an attractive force between two charged objects when _____________________
16. When there is an equal amount of positive and negative charges on an object, the object
is ________________________________________
17. The electric force between charged objects is ____________________________
18. Potential difference is measured in ____________________________________
19. A device that protects a circuit from current overload is called a _______________
20. The north pole of one magnet will be attracted to ____________________________
21. Generators convert ___________________________________________________
22. _________ poles of a magnet repel, while __________ poles attract one another.
23. The north poles of two different magnets will ____________________ one another.
24. An electric motor converts electrical energy into ____________________________
25. A _________ transformer is used near homes to achieve a lower voltage of 120 V.
26. The north pole of one magnet will be _____________________________________
27. Like magnetic poles always ____________________________________________
28. Transformers can _____________________________________________________