Electricity and Magnetism

Charge me up!

100

The two kinds of charge

Positive and Negative

200

Like charges do this

Repel

300

The transfer of electrons from one object to another

Charging

400

These are the basic charges of ordinary matter

Protons and Electrons

500

This is attracted to both positively and negatively charged objects

Small neutral objects

Conductors and Insulators

100

Stone wool heat loss prevention material 

Insulator

200

Johann Sebastian Bach's piano strings

Conductor 

300

Deionized pure water

Insulator

400

Can be electrically charged

Both

500

Wayne Gretzky's hockey stick in 1990

Conductor

Define this

100

An object that is physically connected to the earth is this

Grounded

200

The alteration of the charge in space around a charged object

Electric Field

300

Two opposite charges with a slight separation between them

Electric Dipole

400

A property of source charges that is related to the electric field. Is present whether or not a charged particle is there to experience it. 

Electric Potential

500

The quantitative interaction of charged particles via electric force

Electric Potential Energy

Questions medley

100

A proton in a uniform electric field is accelerated at 3.2x10⁸ m/s². What is the magnitude of the electric field? 

3.4 N/C

200

What is the electric field due to a point charge of 20μC at a distance of 1 meter away from it? (K=8.99x10⁹)

1.8x10⁵ N/C

300

The spacing between the plates of a 7.9μF capacitor is 0.050mm. How much charge (Q) is on the plates if the capacitor is charged to 3V?

Q= C ΔV_c = 2.37x10^-5 C                                                                                        

400

A small plastic sphere charged to -10nC is held 1.0cm above a small glass bead. The mass of the bead is 15mg and has a charge of +10nC. What is the force between the the two objects?

1.5x10^-4 N

500

A particle of charge 'z' is 9.4cm from another particle of charge '-y'. The electric potential energy between the two particles (U) is 3.0x10^-3 J. If the particles were moved to be 2.35cm apart, what would the new electric potential energy be?

0.012 J

I ran out of physics related questions

100

This person released their makeup brand called Fenty Beauty  in 2017

Rihanna

200

The current 1st place team in the NHL standings

(Feb 23rd, 2021)

The Toronto Maple Leafs

300

The name of the dot above an "i" or a "j".

A Tittle

400

This is a 27-kilometre ring of superconducting magnets with a number of accelerating structures to boost the energy of the particles while traveling through the ring.

CERN's Large Hadron Collider

500

This famous landmark had a devastating fire on April 15th, 2019

Notre Dame Cathedral