Electricity Quiz. I

1) Name the device that helps to find out whether a given body is electrically charged or not.

a) Gold Leaf Electroscope
b) Tin Foil Electroscope
c) Insulated Stand

2) The central core of an atom is also referred to as the _______.

a) nucleus
b) neutron
c) orbit

3) What does the symbol _______ _______ represent?
a) capacitor
b) electros cope
c) resistor

4) Name the type of electricity produced by friction.

a) static electricity
b) frictional electricity
4) stagnant electricity

5) The charge on an electron is _______.

a) negative
b) neutral
c) positive

6) When an ebonite rod is rubbed with cat's skin, it gets ...

a) negatively-charged
b) remains neutral
c) positively-charged

7) Some electrons (in metals) move very easily from one atom to another and are called _______ electrons.

a) Free
b) Static
c) Bound

8) In a neutral atom, the number of electrons is equal to the number of

a) orbits
b) protons
c) neutrons

9) An atom that is deficient in electrons is called a positive _______
a) ion
b) valiancy
c) radical

10) Lightning takes place _______ thunder

a) when
b) before
c) after

11) When a glass rod is rubbed with silk, the electrons are transferred ...

a) from the silk to the glass rod
b) from the glass rod to the silk and vice versa
c) from the glass rod to the silk

12) When the water vapor in the atmosphere condenses and clouds are formed, these clouds contain large amounts of _______ charges.

a) water
b) lightning conduction
c) static electric