ELECTROSTATIC IS EASY

Two charges of 5 microcoulombs and 6 microcoulombs are separated at a distance of 10 cm from each other. The magnitude of the force acting on the two charges is...

• 25 N

• 27 N

• 81 N

• 9 N

The smallest particle that makes up a substance or substance is called...

• quarks

• Atom

• Cell

• Proton

The comb will have a negative electrical charge when rubbed with hair because...

• electrons from hair move to comb

• no electron transfer

• electrons from the comb move to the hair

• transfer of electrons takes place

The figure below shows the position of the electroscope leaf which is given an induced electric charge.

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• 

Given the following lines of electric force then....

• P positif Q negatif

• P dan Q positif

• P negatif Q positif

• P dan Q negatif

If you want to avoid being struck by lightning, which activities should you do when it rains and before a thunderstorm?

• immediately take shelter under a big tall tree

• go up to the tall building

• take shelter in the car

• use a metal umbrella

an .... object can be charged by... it with another insulator

• insulating, rubbing

• conductor, rubbing

• insulating, attract

• conductor, attract

look at the electronics below. electronics that are not the application of static electricity is...

• photocopy machine

• ink-jet printer

• antistatic floors

• extension cable

Determine the electrical force between two balloons with separate charges of +3 x 10^-8 C and -2 x 10^-8C when separated a distance of 0,03 m, and what is the direction?

• 6x10^-3 N, ATTRACTIVE

• 18x10^-3, ATTRACTIVE

• 6x10^-3 N, repel

• 18x10^-3, repel

The charging of an object without direct contact we call..

• induction

• conduction

• friction

• convection