Which of the following could possibly be the voltage of the electric outlet on t

Question

Which of the following could possibly be the voltage of the electric outlet on the wall at your home? 0.8 volts 3.6 volts 110 volts 60 Hz When charging your cell phone, normally you use a charger which connects your cell phone and the wall outlet. The charger actually functions as a Generator Motor Transformer Battery An atom of an element can form either a cation or an action, which ion has less electrons? Cation Anion They have the same number of electrons It depends on what element it is Which of the following is (are) a good electric conductors? Copper, (2) Iron, (3) Plastics, (4) Glass (1) and (2) (2) and (3) (3) and (4) (3) only The electric current in a 30-chm electric header operated at 240 V is 0.125 A. 8 A. 12 A. 2880 A. Electric charge is measured in units of coulombs. Watts. Volts, newtons. Which kind of electric current? AC DC power ohm The current in a 24. Wat, 12-Volt light bulb is 0.5 A. 2 A. 12 A. 288 A. Which one of the following has the highest density? plastic mercury copper air The power rating of an electric motor that draws a current of 2A when operated at 120 V is 60 W. 160 W. 240 W. 1060 W. What is the recommended maximum radiation dose limit in the US? 0.3 mSr 3.6 mSr 20 mSr 3.0 mSr

Explanation / Answer

15) option-D: 60 Hz(120 volts)

16) option-A: generator

phone charge function as generator is used as power input source to the system.

17)option-D: it depends on what element it is

because depends on element it form cation or anion varies.

18) option -A: copper(1) and iron(2)

19) option -B : 8A from ohms law V=IR

20) option - A: coloumbs

21) option-B: DC current

22) option-D:228volts

23)option-C: mercury

24) option-A: 60W

25)option -B

26) option-B

27) option -D: four quantum numbers n,l,m,s

28) option-B: ohm is the unit of resistance

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