6.5 Electrostatics

Compared to the charge on a proton, the charge on an electron has the...

 

• opposite sign and a smaller magnitude

• same sign and a smaller magnitude

• opposite sign and the same magnitude

• same sign and the same magnitude

How many electrons will a neutral atom of Carbon have if the carbon nucleus possesses 6 protons and 8 neutrons?

• 8

• 14

• 2

• 6

Most atoms have a neutral charge because__________.

• they are better at conducting than insulating

• they have the same number of protons as electrons

• they have the same number of electrons as neutrons

• they have the same number of particles in the nucleus

What will happen if you rub glass rod with silk?

• Glass rod will become positively charge

• Glass rod will become negatively charge

A charged body A comes in direct contact with neutral body B, the quantity of charge on body A

• Increases

• decreases

• remains unchanged

Which is equivalent to three elementary charges? Elementary charge = 1.602 x 10^-19 C

• 1.6 x 10^-19 C

• 2.0 x 10^-19 C

• 4.8 x 10^-19 C

• 5.4 x 10^-19 C

What will happen if you rub plastic rod with fur?

• Plastic rod will become positively charge

• Plastic rod will become negatively charge

Which of the following charges is not possible?

• 1.6 x 10^-19 C

• –3.2 x 10^-19 C

• 4.0 x 10^-19 C

• 4.8 x 10^-19 C

A charged rod is brought near an electroscope but DOES NOT touch the electroscope.  This is an example of charging by   

• Contact or Conduction

• Convection

• Friction

• Induction

When a negatively charged body touches a neutral body, the neutral body will

• gain protons

• gain electrons

• lose protons

• lose electrons