Electricity

Electricity is the presence and flow of (a)   .

Which one of the following devices converts electricity into information?

• Television

• Computer

• Radio

• Telephone

The potential difference between two points is called ___.

• Current

• Voltage

• Resistance

• Static electricity

The relationship between voltage, current and resistance is summarized by the (a)   Law.

Which symbol of SI unit is used for resistance?

• $\alpha$
  

• $\mu$
  

• $\Omega$

• $\beta$

Which of the following statements below is not true about the figure?

• Volt gives Amp the energy to flow.

• Amp is the flow of electrons

• Ohm helps Amp to flow.

• Ohm prevents Amp to flow no matter how much Volt pushes.

The following statements are true about the figure shown, except:

• It measures the flow of electrons.

• It is connected in parallel to the component being measured.

• It is connected in series with the component being measured.

• The unit of measurement is ampere.

A thick conductor provides a a greater resistance.

• True

• False

• No idea!

• Maybe?

 How much current flows through a 15V battery with a s resistance of 5 $\Omega$ ?

(a)  

What is 350mV equivalent to V?

(a)