Cuestionario De Fisica En Ingles

Questions…



1. Of which elements are composed the atoms?
protons, electrons, and neutrons

2. Which are the flows on an electric chargeand its unit…
(+) or (-), its unit is columb
3. Define static energy…
is an accumulation of excess electric charge on an object

4. What is an electroscope?
instrument that detects electriccharges

5. Give an example of charging friction.
a balloon that is rubbing with the hair

6. Describe conduction
is when 2 or more objects are in physical contact to each other

7.The rearrangement of electrons on a neutral object caused by a nearby charged obj. is called…
* Charged by induction

8. What does ohm’s law states?
that the current in a circuit equals thevoltage difference divided by the resistance

9. What is the resistance of a heater in a car if a battery contains 1.8V with a current of 1.2A?
r=v/i 1.8/1.2 r = 1.5Ω

10. Calculatethe voltage difference in a circuit with a resistance of 20Ω if the current in a circuit is 0.4A
* Volt? v=i∙r v= 0.4 ∙ 20 v = 8V
11. How many amperes of current will flow in a circuit ifthe voltage difference is 7V and the resistance in the circuit is 4Ω?
* Current? i=vr i = 74 i = 1.75A

12. Find the power if there is a volt. Of 113V and a current of 4A…
* Power?p=v∙i p= 113 ∙ 4 p= 452W
13. Find the volt. if there is a current of 13A and a power of 2320W…
* Volt? v=pi v= 232013 v= 178.46V
14. Find the current if there is a power of 670wand a voltage of 130V…
* current? i=pv i= 670130 i= 5.15A
15. define series circuit…
é flows in one path
16. give an example of a parallel circuit
when you take outa bulb of a circuit and doesn’t affects the other bulbs in the circuit

17. find the energy if there is a power of 1300W and a time of 930 sec.
energy? e=p∙t e= 1300 ∙ 930 e =...